Kamugisha, Proscovia Paschal, Amani Leonard, and Sebastian Faustin Mhanga. 2020. “Investment Analysis of Sunflower Farming and Prospects of Raising Household Income in Iramba District, Tanzania”. International Journal of Environment, Agriculture and Biotechnology 5 (4). https://journal-repository.com/index.php/ijeab/article/view/2361.