S. PHOMMATHAT, S. PHOMSAVANH, P. PHOUTHAHUKSA, H. TAOCHANXAY, and S. HOUNTHACHACK, “Learning-teaching Physics Direct Current Electricity by using package PDCA for students year1, majoring in Physics, Department of Natural Science Education, FED, NUOL”, SJNUOL, vol. 22, May 2024.