Suryo Hartanto, Yanti Riani, Nina Agustyaningrum, Yesi Gusmania. “Industrial Competency Based-Mathematics Instructional Materials for Mechanical Engineering in VHS”. Annals of the Romanian Society for Cell Biology (March 27, 2021): 4610–4619. Accessed October 1, 2026. http://www.annalsofrscb.ro/index.php/journal/article/view/1966.