Sarihati, Titihan, et al. “IMPLEMENTATION OF THE COVID-19 HEALTH PROTOCOL IN AL-IKHLAS ISLAMIC KINDERGARTEN BANDUNG CLASS SPATIAL THAT MEETS THE GROUP LEARNING SYSTEM”. Idealog: Ide Dan Dialog Desain Indonesia, vol. 6, no. 2, Dec. 2021, pp. 181-93, doi:10.25124/idealog.v6i2.3139.