Armanda, R., & Ta’ali. (2020). Pengembangan Modul Programmable Logic Controller (PLC) dan Pneumatik untuk Siswa SMK N 1 Bukittinggi. Ranah Research : Journal of Multidisciplinary Research and Development, 2(2), 138-143. Retrieved from https://jurnal.ranahresearch.com/index.php/R2J/article/view/247