Ansar, A., R. Hidayat, and S. Mada Ali. “Improving the Ability to Compare Content of Various Reviews to Find a Systematic Review Using the Problem Based Learning Model Private Vocational School 1 Mamuju”. Edumaspul: Jurnal Pendidikan, Vol. 6, no. 2, Oct. 2022, pp. 3142-50, https://ummaspul.e-journal.id/maspuljr/article/view/5289.