Sri Suhartini, - and Novita Ainur Rohma, - and Elviliana, - and Nur Hidayat, - and Nimas Mayang S. Sunyoto, - and Efri Mardawati, - and Kasbawati, - and Nanang Mascruhin, - and Syazwani Idrusf, - and Fitria, - and Young Hoon Jung, - and Lynsey Melville, - Comparison of acid and alkaline pre-treatment on methane production from empty palm oil fruit bunches (OPEFB): Effect on characteristics, digester performance, and correlation of kinetic parameters. Renewable Energy 215 (2023) 119009.