Van Long, Ngo, Bui Phuong Anh, Nguyen Duc Hanh, and Nguyen Tuan Duong. “Effects of Biochar-Based Organic Microbial Fertilizer on the Growth and Yield of Coffee (Coffea Canephora) and Pepper (Piper Nigrum) in Gia Lai Province”. Journal of Forestry Science and Technology 10, no. 2 (November 15, 2025): 012–021. Accessed November 25, 2025. https://journal.vnuf.edu.vn/en/article/view/1990.