kumar, Anil, et al. “Detection of Adulteration in Anhydrous Milk Fat (ghee) Using Season Variation in Butyro-Refratometer Reading Studied by Employing Dry Fractionation Technique”. Indian Journal of Dairy Science, vol. 70, no. 5, Oct. 2017, https://epubs.icar.org.in/index.php/IJDS/article/view/68850.