Mazumder, Muslek Uddin, Kishalaya Das, Abhijit Deb Choudhury, and P Khazeo. 2018. “Determination of Sun Protection Factor (SPF) Number of Some Hydroalcoholic Vegetable Extracts”. PharmaTutor 6 (12), 41-45. https://doi.org/10.29161/PT.v6.i12.2018.41.