Arini, Arini, Aljufri Aljufri, and Serly Novianti. “Implementation of PSAP Number 13 at Arifin Achmad Hospital Riau Province”. Indonesian Journal of Economics, Social, and Humanities 4, no. 2 (June 2, 2022): 85-97. Accessed May 3, 2024. http://ijesh.unri.ac.id/index.php/ijesh/article/view/135.