Suliknyo, Suliknyo, and Haris Wahyudi. 2017. “PENGEMBANGAN FORMULA COMPOUND RUBBER DALAM PEMBUATAN SOL SEPATU”. Jurnal Teknik Mesin (Journal Of Mechanical Engineering) 6 (1). Jakarta, Indonesia:1-5. https://doi.org/10.22441/jtm.v6i1.1198.