DAS, S. K., B. GHOSH, S. PATINAIK, N. K. DAS, T. SINGH, S. K. SEN, and G. SUBBA RAO. 1997. “HYBRID VIGOUR IN THREE-WAY CROSSES OF MULBERRY SILKWORM BOMBYX MORl L”. INDIAN JOURNAL OF GENETICS AND PLANT BREEDING 57 (04):447-53. https://doi.org/.