Ratnasari A, Hamidah I, Meylinda S. DESKRIPSI KARAKTER MANDIRI SISWA SMA PADA PJJ BIOLOGI DI MASA PANDEMI COVID19. arsip [Internet]. 2022Jan.31 [cited 2024Jul.27];:417-24. Available from: https://prosiding.biounwir.ac.id/article/view/218