Janwan, A., Lestary, A., & Simpol, W. (2021). THE DEVELOPMENT OF KINDERGARTEN STUDENTS’ ATTITUDE APPLYING FLIPPED CLASSROOM CONCEPT IN COVID-19 SITUATION. Journal Universitas Muhammadiyah Gresik Engineering, Social Science, And Health International Conference (UMGESHIC), 1(2), 793-803. doi:10.30587/umgeshic.v1i2.3455