Abdi, Abdul, 		Ridha, Syahrul, 		Yunus, Muhammad, 		Kamil, Puspita, 		Safiah, Intan, AND 		Gadeng, Ahmad.
" Assessing the Effectiveness of Geography-based Online Learning During the Covid-19 Pandemic in Higher Education" <em>Geosfera Indonesia</em> [Online], Volume 6 Number 3 (20 December 2021)