“Effect of 1,4-Napthaquinone (NQ) and Benzophenone (BPH)on the Photodegradation and Biodegradation of Methyl Cellulose Film”. Baghdad Science Journal, vol. 7, no. 1, Mar. 2010, pp. 737-44, https://doi.org/10.21123/bsj.2010.7.1.737-744.