Suryani Sajar, Andi Setiawan and Adella Tri Anzani (2024) “Effect of Various Biochar Materials and Levels of Chicken Manure on Growth and Yield of Soybean”, The International Conference on Education, Social Sciences and Technology (ICESST), 3(2), pp. 01–21. Available at: https://ijconf.org/index.php/icesst/article/view/412 (Accessed: 29 September 2024).