El Bey, Naziha, Mohamed Karim Aounallah, and Ali Sahli. 2020. “Regression and Correlation Studies of Some Morphological Traits in Tunisian Orange (Citrus Sinensis L) Cv. Maltese Ballerin”. International Journal of Horticulture, Agriculture and Food Science 4 (6). https://journal-repository.com/index.php/ijhaf/article/view/2957.