Daosukho, Saijit, Arun Kongkeaw, and Urawan Oengeaw. 2022. “The Development of Durian Shell Biochar as a Nutrition Enrichment Medium for Agricultural Purpose : Part 1 Chemical and Physical Characterization”. Bulletin of Applied Sciences 1 (1). Bangkok, Thailand:133-41. https://doi.org/10.60136/bas.v1.2012.189.