Nguyen Thanh Hai, Nguyen Hai Nam, and Quach Nguyen Bao Nguyen. “TEACHING AND LEARNING PHYSICS IN THE ORIENTATION OF COMPETENCE DEVELOPMENT IN SECONDARY SCHOOLS - DIFFICULTIES, CHALLENGES AND VIEWS ON SOLUTIONS”. UED Journal of Social Sciences, Humanities and Education, Vol. 8, no. 3B, Aug. 2018, pp. 26-33, doi:10.47393/jshe.v8i3B.719.