SINGH, D., BHASKAR, B. P., BARUAH, U., SARKAR, D., & VADIVELU, S. (2013). Economic appraisal of rice (Oryza sativa) based cropping sequences in major soil series of upper Asom. The Indian Journal of Agricultural Sciences, 83(3). https://epubs.icar.org.in/index.php/IJAgS/article/view/28351