Tiwari, R. K., S. K. Chauhan, M. Din, S. K. Rautaray, and D. Chaudhuri. 2018. “Development and Evaluation of Improved Saddle of Yak for Enhancement of Pack-Load Capacity on Steep Slopes in Hills -A Case Study in NER”. Indian Journal of Hill Farming 31 (1). https://epubs.icar.org.in/index.php/IJHF/article/view/82347.