DAS, Shaon Kumar; AVASTHE, R. K; SHARMA, K.; SINGH, M.; SHARMA, P. Soil Fertility Assessment in Different Villages of East Sikkim District. Indian Journal of Hill Farming, India, v. 30, n. 1, 2017. Disponível em: https://epubs.icar.org.in/index.php/IJHF/article/view/73249. Acesso em: 22 oct. 2025.