Tunio, S D, Munwar M Solangi, M U Samo, and V Suthar. 2001. “EFFECT OF PLANTING METHODS ON THE GROWTH AND YIELD ATTRIBUTES OF Two SUNFLOWER CULTIVARS”. Biological Sciences - PJSIR 44 (5):297-300. https://v2.pjsir.org/index.php/biological-sciences/article/view/1953.