Persepsi Guru Terhadap Kepemimpinan Transformasional Kepala Sekolah di Sekolah Menengah Pertama Negeri Se-Kenagarian Air Bangis - Rifai, Ahmad; Sulastri, Sulastri; Nellitawati, Nellitawati; Rifma, Rifma (Journal of Educational Administration and Leadership, 2022)