Mehraban, Ahmad, Kamali Deljoo, Afsaneh, Azizian Shermeh, Omid. “The effect of planting pattern on phenological and morphological traits of sunflower in Zahak region, Sistan, Iran.” Agroecology Journal, vol. 13, no. 1, 2017, pp. 61-69. 10.22034/aej.2017.531387