Bakhtaver Hassan, et al. “Economics of High-Density Apple Orchards: A Comparative Analysis of Jammu and Kashmir, India and Trentino-Alto-Adige, Italy”. Global Journal of Human-Social Science, vol. 20, no. E9, May 2020, pp. 27-36, https://socialscienceresearch.org/index.php/GJHSS/article/view/3505.