Qotaiba.Saleh. Sheikh, Abdulsalam Rajab Ahmed Al-Jumaily, and Jassim. Mohammed. Aziz. “Test of the Effectiveness of Biochar and Mineral Fertilizer on The Growth and Yield of Two Broad Bean Vicia Faba L”. Texas Journal of Agriculture and Biological Sciences, vol. 4, May 2022, pp. 42-57, https://zienjournals.com/index.php/tjabs/article/view/1705.