“Estimation of Heterosis and Combining Ability in F1 Hybrids of Upland Cotton for Yield and Fibre Traits: Upland Cotton Yield and Fibre Traits”. 2015. Biological Sciences - PJSIR 58 (3): 132-39. https://doi.org/10.52763/PJSIR.BIOL.SCI.58.3.2015.132.139.