“Mesin Penjual Softdrink Otomatis Berbasis ATMega8535”. Jurnal ELEMENTER (Elektro dan Mesin Terapan) 1, no. 2 (November 30, 2015): 29–38. Diakses September 19, 2026. http://slashroot.id/index.php/elementer/article/view/42.