Memon, S., M. J. Baloch, G. M. Baloch, and M. I. Keerio. “HERITABILITY AND CORRELATION STUDIES FOR PHENOLOGICAL, SEED YIELD AND OIL TRAITS IN SUNFLOWER (HELIANTHUS ANNUUS L.)”. Advances in Agriculture and Animal Sciences, vol. 30, no. 2, Dec. 2014, pp. 159-71, https://pjaaevs.sau.edu.pk/index.php/ojs/article/view/180.