The Effect of Training and Education on Strengthening LPPKS Principals on the Dimensions of Planning, Management, Supervision on the Managerial Competence of Islamic Kindergarten Principals in Wonocolo District, Surabaya City.: Pengaruh Diklat Penguatan Kepala Sekolah LPPKS Terhadap Dimensi Perencanaan, Pengelolaan, Pengawasan Pada Kompetensi Manajerial Kepala TK Islam di Kecamatan Wonocolo Kota Surabaya. acopen. 2021;4:10.21070/acopen.4.2021.2928. doi:10.21070/acopen.4.2021.2928