Kumar, A., and N. Sharma. “Protandrous-Protogynous Dimorphism in Indigenous Selections from North Western India and Some Exotic Cultivars of Persian Walnut (Juglans Regia L.)”. Advances in Horticultural Science, vol. 27, no. 1-2, June 2013, pp. 61-66, doi:10.36253/ahsc-18452.