Sitompul, N. and Siregar, Z. A. (2024) “Analysis of Impacts and Challenges of Online Learning During the Covid-19 Pandemic: A Case Study at SMA Negeri 2 Rantau Selatan”, Bioscientist : Jurnal Ilmiah Biologi, 12(1), pp. 1202–1214. doi: 10.33394/bioscientist.v12i1.10946.