Siregar, T., S. Siregar, and A. Supriadi. “Learning Strategies at SMP Perguruan Islam Modern Amanah 1 Deli Serdang Regency During the Covid-19 Pandemic”. Prosiding Seminar Nasional IKIP Budi Utomo, Vol. 3, no. 01, Dec. 2022, pp. 10-15, doi:10.33503/prosiding.v3i01.2342.