RAHMAT SETIADI, Bayu; SUKARDI, Thomas; ., Sugiyono. Mobile Technical Calculators with a Flipped Classroom for Sustainability Machining Process. International Journal of Engineering and Technology, [S. l.], v. 7, n. 3.2, p. 741–746, 2018. DOI: 10.14419/ijet.v7i3.2.18740. Disponível em: https://mail.sciencepubco.com/index.php/IJET/article/view/18740.. Acesso em: 17 aug. 2025.