DINELTI FITRIA; RHONA SANDRA; RUSDINAL; NURHIZRAH GISTITUATI. Strategic Planning In School Case Study Of SMPN 1 Siak Hulu (Theoretical and Applied Studies). International Journal Of Humanities Education and Social Sciences (IJHESS) , [S. l.], v. 1, n. 5, 2022. DOI: 10.55227/ijhess.v1i5.149. Disponível em: http://ijhess.com/index.php/ijhess/article/view/149. Acesso em: 12 may. 2026.