Singh, Harsimranjeet, and Harpreet Kaur. 2022. “Effect of NPK Fertilizers on Growth and Quality of Tomato (Solanum Lycopersicum L.) Under Heavy Clay Soils of Patiala”. International Journal of Economic Plants 9 (Aug, 3):231-34. https://ojs.pphouse.org/index.php/IJEP/article/view/4743.