S. K. BAIRWA, S. K. BAIRWA, A. K. SONI, BALBIR SINGH, and P. K. YADAV, “COMBINING ABILITY STUDIES IN RIDGE GOURD [LUFFA ACUTANGULA (ROXB.) L.]”, The Bioscan, vol. 10, no. Supplement 4, pp. 1969–1974, Sep. 2015.