SINGH, PHUNDAN, and S. S. NARAYANAN. “INTRASPECIFIC HETEROSIS IN DIPLOID AND TETRAPLOID COTTONS”. INDIAN JOURNAL OF GENETICS AND PLANT BREEDING 50, no. 04 (November 25, 1990): 396–399. Accessed June 1, 2025. https://www.isgpb.org/journal/index.php/IJGPB/article/view/3105.