N.V., Saresh, et al. “Pollen Biology of Grewia Optiva Drummond Genotypes: An Important Agroforestry Tree of North Western Himalayas”. Annals of Arid Zone, vol. 60, no. 3 & 4, Dec. 2022, pp. 123-3, https://doi.org/10.56093/aaz.v60i3 & 4.131568.