“GENETIC VARIABILITY, PARTIAL REGRESSION, CO-HERITABILITY STUDIES AND THEIR IMPLICATION IN SELECTION OF HIGH YIELDING POTATO GENOTYPES”, Pakistan Journal of Scientific & Industrial Research, vol. 46, no. 2, pp. 126–128, Apr. 2003, Accessed: Mar. 10, 2026. [Online]. Available: https://v2.pjsir.org/index.php/biological-sciences/article/view/1607