Ali Saeed Ahmed Jad Kreem, et al. “The Effect of Health Education on the Attitudes and Practices of Food Preservation and Storage: Case Study: Food and Drink Sellers in Tandalty City-White Nile State, 2021 – 2023”. White Nile Journal for Studies and Research, no. 22, Sept. 2023, pp. 200-14, https://journals.wnu.edu.sd/index.php/wnjsr/article/view/54.