Hamad, M. (2025). Estimating the optimal volumes of the cost function of cowpea crop in Al-Hawija district for the 2023 production season. test, 2(1), 28-37. doi: 10.21608/jassd.2024.323568.1032
Manar Hamad. "Estimating the optimal volumes of the cost function of cowpea crop in Al-Hawija district for the 2023 production season". test, 2, 1, 2025, 28-37. doi: 10.21608/jassd.2024.323568.1032
Hamad, M. (2025). 'Estimating the optimal volumes of the cost function of cowpea crop in Al-Hawija district for the 2023 production season', test, 2(1), pp. 28-37. doi: 10.21608/jassd.2024.323568.1032
Hamad, M. Estimating the optimal volumes of the cost function of cowpea crop in Al-Hawija district for the 2023 production season. test, 2025; 2(1): 28-37. doi: 10.21608/jassd.2024.323568.1032