Haruna, A. O., Asap, A., & Maru, A. (2019). Biochar and mineral acid soil phosphorus availability. Universiti Putra Malaysia Press.
Chicago Style (17th ed.) CitationHaruna, Ahmed Osumanu, Audrey Asap, and Ali Maru. Biochar and Mineral Acid Soil Phosphorus Availability. Universiti Putra Malaysia Press, 2019.
MLA (9th ed.) CitationHaruna, Ahmed Osumanu, et al. Biochar and Mineral Acid Soil Phosphorus Availability. Universiti Putra Malaysia Press, 2019.
Warning: These citations may not always be 100% accurate.