Omar Shehab, M., منى, Al-Maathidy, A. and عامر 2020. Determination of Phenolic Compounds in Leaves for Some Cultivars of Pyrus malus L. and Pyrus communis L. Cultivated in North of Iraq and Identification by Using HPLC and Spectral Characters. Journal of Education and Science (JES). 29, 3 (Sep. 2020), 157–177. DOI:https://doi.org/10.33899/edusj.2020.127061.1068.