Kastono, D., Suryanto, P., Rogomulyo, R., Handayani, S., Supriyanta, S., Habib Widyawan, M. and Alam, T. (2022) “Differences in Biochar Sources for Controlled Nitrogen Loss in a Hybrid Maize Agroforestry System with Melaleuca cajuputi”, Journal of Engineering and Technological Sciences, 54(1), p. 220109. doi: 10.5614/j.eng.technol.sci.2022.54.1.9.