Singhal RM, Soni S. Scanning Electron Microsccopy of Soil-humic Acids of Garhwal Himalayas. Indian Forester [Internet]. 1991 Jan. 1 [cited 2025 Aug. 21];117(1):79-83. Available from: https://indianforester.co.in/index.php/indianforester/article/view/8572