T. R. SHARMA, “Combining ability and heterosis in garden pea (Pissum sativum var arvense) in the cold desert Himalayan region”, Indian J Agri Sci, vol. 69, no. 5, Jan. 2013, Accessed: Oct. 28, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/26765