D. Singh, K. Kumar, V. K. Sharma, and M. Singh, “Expression of Genetic Variability and Character Association in Raspberry (Rubus ellipticus Smith) Growing Wild in North-Western Himalayas”, J. Hortic. Sci., vol. 4, no. 1, pp. 28–31, Jun. 2009, doi: 10.24154/jhs.v4i1.549.