Ejaz, Haroon, Eshrat Bibi, Waqas Ali, Ikhlaq Ahmad, Aamna Lashari, Hadia Faiz, dan Wajeeha Nazar. “Sulphur and Particulate Matter Affecting on Soil and Underground Plants”. Journal of Agriculture and Applied Biology 3, no. 1 (April 13, 2022): 40–49. Diakses Mei 7, 2026. https://www.jaabjournal.org/index.php/jaab/article/view/181.