[1]
M. Jahiding, I. Usman, Ratih Samsusih Rizki, Haryani, and Mashuni, “Pengaruh Kosentrasi Zeolit Terhadap Kualitas Bio-Oil Yang Diproduksi dari Limbah Sabut Kelapa Muda (Cocos nucifera) Menggunakan Metode Piro-katalitik : (Effect of Zeolite Concentration on the Quality of Bio-fuel Produced from Coconut Fiber (Cocos nucifera) Using the Piro-catalytic Method)”, Gravitasi, vol. 19, no. 2, pp. 29-35, Dec. 2020.