Qamarya, N. .; Sriyanah, N. .; Wijayanti, L. A. .; Sari, . I. .; Suprapto, S. The Effectiveness of Learning Management System in the Student Learning Process in the Pandemic Era of the Covid-19 . jppipa, pendidikan ipa, fisika, biologi, kimia 2023, 9, 4049-4054.