Nauriyal, D S, and S P Pachauri. 2012. “Determination of Milk Enzyme N-Acetyl-β-D-Glucosaminidase (NAGase) Activity for Screening Dairy Herds for Mastitis”. The Indian Journal of Animal Sciences 69 (3). https://epubs.icar.org.in/index.php/IJAnS/article/view/20307.