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Group conflicts during collaborative learning: perceptions of students at a university in VietnamCollaborative learning, widely used in universities, fosters essential skills like critical thinking and teamwork through knowledge sharing. However, group conflict can hinder this process. This study... Author: Nguyen Dang Thi Keyword: Group conflict collaborative learning student’s perceptions factors challenges.
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Research on techniques to en-hance DDoS attack prevention using cumulative Sum and back-propagation algorithmsThis paper focuses on enhancing DDoS attack prevention ca-pabilities through the combination of the Cumulative Sum (CUSUM) algorithm and the Backpropagation method, aiming to detect attack indicators... Author: Phuong Hoang Thi Keyword: Network attack CUSUM algorithm Backpropagation algo-rithm Anti-spoofing DDoS attack
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Fiber dispersion measurements using Mach-Zehnder interferometer
We present an efficient technique for measuring chromatic dispersion using a modified Mach-Zehnder interferometer in conjunction with with a supercontinuum light source. Newport's femto White photonic... Author: Trung Lê Cảnh Keyword: Chromatic dispersion broad band light Mach-Zehnder interferometer
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Research on the development of lower secondary school principals based on a job position approachThe current educational reform in Vietnam requires lower secondary school principals to meet professional standards and demonstrate leadership capabilities and adaptability to practical demands. Core... Author: Phong Luong Hong Keyword: Principals lower secondary school job position approach team development
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Factors affecting the effectiveness of students’ competence in using tools and instruments for learning mathematics in general education: an exploratory factor analysis (EFA)This study aims to identify the factors that influence students’ competence in using tools and means for learning mathematics in secondary schools. Survey data were collected from 252 mathematics... Author: Hang Nguyen My, Mai Trần Thị Tuyết Keyword: Tool usage skills exploratory factor analysis mathematics teachers
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The Ho dynasty’s war of resistance: causes of failure and reflections on popular supportThis article provides an overview of the Ho dynasty’s war of resistance against the Ming invasion. It analyzes the causes of its failure, emphasizing the decisive role of the factor of “popular... Author: Nhue Nguyen Duc Keyword: Hồ dynasty popular support reform resistance against the Minh.
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From natural ecosystems to digital education ecosystems: comparison, challenges, and the development of Mathematics teaching skills for Pre-service primary teachersThis paper analyzes three types of ecosystems: (1) Natural ecosystems, (2) Educational ecosystems, and (3) Digital education ecosystems, comparing their structures, operational mechanisms,... Author: Quyên Chu Vĩnh Keyword: Active learning attitude motivation self-directed learning learning strategies.
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The impact of IELTS on English language lecturers’ teaching practice and professional development at Dong Nai Technology UniversityThis study examines the impact of IELTS tests on the teaching practices and professional development of 20 lecturers from the Faculty of Foreign Languages at Dong Nai University of Technology. Through... Author: Nguyen Thanh Van Thi, Nguyen Lien Thi Hong Keyword: IELTS professional development teaching practice language assessment
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Ill-posedness and stability es-timate for the heat equation backward in time with Dirichlet and integral boundary condi-tionsIn this paper, we first prove that the heat equation backward in time with Dirichlet and integral boundary conditions is an ill-posed problem. Then, we establish a stability estimate of Hölder type... Author: Duc Duc Van, Linh Phan Hoai Keyword: Heat equation backward stability estimate ill-posed problem.
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Chemical composition of essential oils of Litsea elongata in Pu Hoat Nature Reserve, Nghe An ProvinceStudy on chemical composition of essential oils from leaves, bark and fruits of Litsea elongata species, essential oil content reached ...% corresponding to fresh materials. Essential oils were... Author: Tai Dinh Duc, Hieu Do Trong Keyword: essential oils Litsea elongata Pù Hoạt
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