Kandibah, U. (2022) “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(2), pp. 92–101. doi: 10.20885/ijcer.vol6.iss2.art5.