Muhamad Sholichin, Zulyusri, Lufri and Abdul Razak 2021. Analisis Kendala Pembelajaran Online Selama Pandemi Covid-19 Pada Mata Pelajaran IPA di SMPN 1 Bayung Lencir : (Analysis of the Obstacles of Online Learning During the Covid-19 Pandemic on IPA Subjects at SMPN 1 Bayung Lencir). BIODIK. 7, 2 (Jun. 2021). DOI:https://doi.org/10.22437/bio.v7i2.12926.