Marslino Simanjuntak A, sahat, Naibaho winfrontstein. Design And Build A Double Roll Type Pecan Breaking Machine With A Power Of 0.5 Hp. IJSTM [Internet]. 2022 Nov. 15 [cited 2026 Jul. 16];3(6):1533-9. Available from: https://ijstmjournal.com/index.php/ijstm/article/view/680