[1]
W. Promwong, T. . Prasantree, and S. . Sriputtarin, “Current Situations, Problems and Solutions to Learning Management Problems the Corona Virus Pandemic (COVID-19) of Schools under The Nakhon Phanom Primary Educational Service Area Office 1”, RJPJ, vol. 15, no. 40, pp. 200–213, May 2021.