Early Childhood Supervision Managerial Supervision Management to Improve Managerial Competence of Playgroup Leaders: (Case Study at Calakan Playgroup in Ciburial Village, RT. 02/05 Cibogo Village, Lembang District, West Bandung Regency). (2022). Journal of Islamicate Studies, 5(1), 1-27. https://doi.org/10.32506/jois.v5i1.709