Saha D, Das TK. A GIS-Based Systematic Soil Sampling Approach Using Landscape Ecological Units (LEUs) for Soil Characterization in Alipurduar District, West Bengal, India. RRIJM [Internet]. 2026 Apr. 15 [cited 2026 May 4];11(4):102-11. Available from: https://rrjournals.com/index.php/rrijm/article/view/165