SIREGAR, T.; SIREGAR, S.; SUPRIADI, A. Learning Strategies at SMP Perguruan Islam Modern Amanah 1 Deli Serdang Regency during the Covid-19 Pandemic. Prosiding Seminar Nasional IKIP Budi Utomo, v. 3, n. 01, p. 10-15, 20 dez. 2022.