Iswandi, Iswandi. “Persepsi Guru Terhadap Pelaksanaan Fungsi Manajerial Kepala Sekolah SMP Dr. H. Abdullah Ahmad PGAI Padang”. Jurnal Educative: Journal of Educational Studies, vol. 2, no. 2, Dec. 2017, pp. 109-20, doi:10.30983/educative.v2i2.466.