KHALID M, AMJAD I. COMBINING ABILITY AND HETEROSIS STUDIES IN UPLAND COTTON (GOSSYPIUM HIRSUTUM L.). Bull. Biol. All. Sci. Res. [Internet]. 2019 Apr. 15 [cited 2024 Dec. 22];2019(1):20. Available from: https://bbasr.org/index.php/home/article/view/20