Khan, Kashif-ur-Rehman, and Chitchamai Ovatlarnporn. “Synthesis and Evaluation of P-Aminobenzoyl Hydroxypropyl Cellulose”. Pakistan Journal of Nutrition, vol. 15, no. 8, July 2016, pp. 725–728, https://doi.org/10.3923/pjn.2016.725.728.