Kandibah, Umi. “Improving the Ability of Teachers in Utilizing the Surrounding Environment As a Learning Resource in the Era of the Covid-19 Pandemic Through In-House Training at SD Negeri Banjarharjo, Kalibawang, Kulon Progo in 2021”. IJCER (International Journal of Chemistry Education Research) 6, no. 2 (October 10, 2022): 92–101. Accessed November 21, 2024. https://journal.uii.ac.id/IJCER/article/view/21090.