Masih, Justin. “Effects of Ultraviolet-B Radiation on the Photosynthetic Pigments and Protein Content of Strawberry”. Asian Journal of Applied Chemistry Research 3, no. 4 (September 25, 2019): 1-7. Accessed April 1, 2020. http://journalajacr.com/index.php/AJACR/article/view/30098.