Gupta, Navjot, K.K. Gill, Ritu Babuta, MIS Gill, and N.K. Arora. “Thermal Requirement and Phenological Development of Different Grape Varieties under South-Western Punjab”. Annals of Agricultural Research 36, no. 4 (February 25, 2016). Accessed June 27, 2026. https://epubs.icar.org.in/index.php/AAR/article/view/55620.