Singh, J., Bora, I. P., Baruah, A., & Hussain, M. (2003). Effect of Shifting Cultivation on Nutrient Status of Soil in Silonijan (Karbi-Anglong) Assam. Indian Forester, 129(11), 1329–1338. https://doi.org/10.36808/if/2003/v129i11/2413