Febritasari, Rosadila, Tito Arif Sutrisno, Herlan Hafiidh Jikwa, Dhea Rosali Berta, I Made Pande Artayasa, Bernadino Arsinyo Nahak, and Yohanes Yordan H. P.I. “Modification of Grass Chopper Blade from Leaf Spring With Coconut Shell Charcoal Addition by Carburizing Treatment”. Piston: Journal of Technical Engineering 7, no. 2 (January 16, 2024): 69–74. Accessed November 21, 2024. https://openjournal.unpam.ac.id/index.php/Piston/article/view/34439.