“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), pp. 1–27. doi:10.32506/jois.v5i1.709.