MINZ, PIYUSHA S D, et al. “Effect of Feeding Oak Leaves on Nutrient Utilization and Growth Performance of Goats in Kumaon Hills of Temperate Sub Himalayas”. The Indian Journal of Animal Sciences, vol. 83, no. 8, Aug. 2013, https://epubs.icar.org.in/index.php/IJAnS/article/view/32060.