“Studying the Effect of Biological Pollination and Organic Fertilization on Some Characteristics of Yellow Maize Plants (Zea Mays L.)”. NTU Journal of Agriculture and Veterinary Science 5, no. 2 (June 28, 2025). Accessed December 7, 2025. https://journals.ntu.edu.iq/index.php/NTU-JAVS/article/view/1188.