1. Ali, G.M. 2011. Cotton hybrid seed production at PARC. Technical Reporter, 2(4): Anonymous. IACA World Cotton Statistical Bulletin.
2. Ansari, B.A. 2011. Annual report (2010-11) of CARG, Sindh Govt. Project "Production of Cotton Hybrids with Best Combining Ability Estimates". Department of Plant Breeding and Genetics, Faculty of Crop Production, Sindh Agriculture University Tandojam.
3. Boeven, P. H. G., Zhao, Y., Thorwarth, P., Liu, F., Maurer, H. P., Gils, M. 2020. Negative dominance and dominance-by-dominance epistatic effects reduce grain-yield heterosis in wide crosses in wheat. Sci. Adv. 6:eaay4897.
4. doi: 10.1126/sciadv.aay4897.
5. Caligari, P.D.S., Brian P. and Forster. 2015. Plant Breeding and Crop Improvement. Wiley Online Library. https://doi.org/10.1002/9780470015902.a0002024.pub3.