RAO, P. RAMA MOHANA, RAVINDRA SINGH, C. S. NAGARAJ, and K. VIJAVARAGHAVAN. 1997. “STUDIES ON FOUNDATION HYBRIDS IN SILKWORM BOMBYX MORI L”. UTTAR PRADESH JOURNAL OF ZOOLOGY 17 (1):75-81. https://www.mbimph.com/index.php/UPJOZ/article/view/109.