Yuliani F, Fitri R. Teacher’s and Student’s Grade XI Perception toward the Online Learning During Pandemic in Biology Subject at SMAN 8 Padang. RRKJURNAL [Internet]. 4Dec.2021 [cited 5Nov.2024];1(1):17-3. Available from: http://rrkjurnal.ppj.unp.ac.id/index.php/RRKJURNAL/article/view/25