D. Kumar, K. K. Srivastava, and S. R. Singh, “Correlation of trunk cross sectional area with fruit yield, quality and leaf nutrient status in plum under North West Himalayan region of India”, J. Hortic. Sci., vol. 14, no. 1, pp. 26–32, Jun. 2019, doi: 10.24154/jhs.v14i1.709.