Singarimbun, Muhammad Irvan Ramadan, and Khairul Usman. “HASIL BELAJAR PADA MASA PANDEMI MELALUI MODEL STUDENT FACILITATOR AND EXPLAINING”. Jurnal Olahraga Dan Kesehatan Indonesia (JOKI), vol. 1, no. 1, Dec. 2020, pp. 53-61, doi:10.55081/joki.v1i1.299.