DAS, Shaon Kumar; AVASTHE, R. K. Managing Soil Acidity for Crop Production in Sikkim: A Policy Options. Indian Journal of Hill Farming, India, v. 31, n. 1, 2018. Disponível em: https://epubs.icar.org.in/index.php/IJHF/article/view/82386. Acesso em: 26 oct. 2025.