Amarah Batool,  Ijaz Rasool Noorka, Muhammad Afzal , and Ali Hassan Syed. “Estimation of Heterosis, Heterobeltiosis and Potence Ratio Over Environments Among Pre and Post Green Revolution Spring Wheat in Pakistan”. Journal of Basic & Applied Sciences 9 (January 5, 2013): 36–43. Accessed July 7, 2024. http://set-publisher.com/index.php/jbas/article/view/979.