Kurnia ED, Setiadi D, Handayani BS. Analysis of blended learning effectiveness at senior high school during covid-19 pandemic. J. Pijar.MIPA [Internet]. 2022 Mar. 30 [cited 2024 Nov. 22];17(2):260-4. Available from: http://jurnalfkip.unram.ac.id/index.php/JPM/article/view/3121