TY - UNPB A1 - Puri, Pramudiani ID - repository12678 TI - Turnitin-11 Implementation of Online Learning during the Covid 19 Pandemic on Psychological Development of Grade 4 Students at SDN Kayuringin Jaya 01 Bekasi PB - Universitas Muhammadiyah Prof. Dr. Hamka UR - http://repository.uhamka.ac.id/id/eprint/12678/ N1 - Unpublished AV - public ER -