Tran Ba Trinh, Do Thi Hong Quyen, and Nguyen Thi Thu. 2018. “DEVELOPMENT OF EXPERIMENTS WITH MICROPHONE AND OSCILLOSCOPE FOR TEACHING ACOUSTICS IN HIGHSCHOOLS”. UED Journal of Social Sciences, Humanities and Education 8 (3A), 124-29. https://doi.org/10.47393/jshe.v8i3A.712.