[1]
R. Hilma, U. Akbar, and - Prasetya, “OPTIMUM CONDITION OF BIOETANOL PRODUCTION VIA ACIDIC HYDROLYSIS FROM PINEAPLE (Ananas comosus Merr.) PEEL WASTE IN KUALU VILLAGE-KAMPAR”, Photon, vol. 7, no. 02, pp. 135-142, May 1930.