Rizal, Deepan, et al. “Morphometric Characterization of the Rani-Khola Watershed, Sikkim, India, Using Remote Sensing and GIS Techniques”. Journal of Environmental Science, Health & Sustainability, vol. 1, no. 3, Dec. 2025, pp. 207–216, https://doi.org/10.63697/jeshs.2025.10043.