Bijender Singh. “Farm Size and Efficiency in Protected Vegetable Cultivation: A Comparative Analysis of Tomato, Capsicum, and Cucumber Production in Gurugram, Haryana”. International Journal of Advanced Research and Multidisciplinary Trends (IJARMT), vol. 2, no. 3, Aug. 2025, pp. 292-9, https://www.ijarmt.com/index.php/j/article/view/414.