%0 Generic %A Puri, Pramudiani %F repository:12677 %I Universitas Muhammadiyah Prof. Dr. Hamka %T Implementation of Online Learning during the Covid 19 Pandemic on Psychological Development of Grade 4 Students at SDN Kayuringin Jaya 01 Bekasi %U http://repository.uhamka.ac.id/id/eprint/12677/