Heru Cahyono, Haryanto, Diana Rahmawati, and Rosida Vivin Nahari. “Rancang Bangun Mesin Pres Vacuum Sealer Menggunakan Mikrokontroler Berbasis Android”. SinarFe7 4, no. 1 (December 13, 2021): 58–63. Accessed March 29, 2024. https://journal.fortei7.org/index.php/sinarFe7/article/view/15.