“Effect of Chicken Manure on the Growth and Uptake of N, P, and K by Spinach (Spinacia oleracea L.) Grown in Three Different Soils”, Chittagong Univ. J. B. Sci., vol. 11, no. 1, pp. 98–109, Jul. 2024, doi: 10.3329/cujbs.v11i1.74935.