Farooq, J., I. Khaliq, M. Akbar, M. Kashif, and S. Mahpara. “Hybrid Vigor Studies for Different Yield Contributing Traits in Wheat under Normal and Heat Stress Conditions”. Comunicata Scientiae, vol. 4, no. 2, July 2013, pp. 139-52, doi:10.14295/cs.v4i2.241.