“Preparation and Evaluation of Pear and Grapes Blended Leather: Preparation of Pear and Grapes Blended Leather”, Pakistan Journal of Scientific & Industrial Research, vol. 64, no. 2, pp. 182–191, Jul. 2021, doi: 10.52763/PJSIR.BIOL.SCI.64.2.2021.182.191.