Khalid Saeed, Muhammad, et al. “Physicochemical Characteristics, Total Phenolic Content and Free Radical Scavenging Activity of Apple (Malus Domestica) Peel Powder : Physicochemical Characteristics of Apple Peel Powder ”. Pakistan BioMedical Journal, vol. 6, no. 02, Feb. 2023, pp. 07-11, https://doi.org/10.54393/pbmj.v6i02.847.