Luqman, Kamran Shah, Mohammad Ilyas, Manzoor Ahmad, Zahid, & Mohammad Imtiaz Khan, Sumayya Shah. " 26. Interactive effect of calcium and magnesium on the growth and yield of tomato (Lycopersicon esculentum L.)." Pure and Applied Biology (PAB) [Online], 5.4 (0): 876-882. Web. 22 Apr. 2025