“Precipitable Water Vapour Retrieval Modelling Using Indian Regional Navigation Satellite System (IRNSS) Observations over Dehradun”. Indian Journal of Pure & Applied Physics (IJPAP) 62, no. 12 (December 3, 2024): 1061–1073. Accessed May 14, 2026. https://or.niscpr.res.in/index.php/IJPAP/article/view/7714.