Pohan, Lenggasari, 		Nurfajriani, Nurfajriani, 		Suyanti, Retno, AND 		Dalimunthe, Siti.
" EFEKTIVITAS PEMBELAJARAN ONLINE PADA MASA PANDEMI COVID-19" <em>PROSIDING SEMINAR NASIONAL KIMIA</em> [Online], Volume 1 Number 1 (12 July 2023)