Saha, Bholanath, Nirmalendu Basak, Sushanta Saha, Pancham Kumar Singh, G C Hazra, and Biswapati Mandal. 2016. “Soil Health Card A Tool for Better Productivity”. Indian Farming 66 (4). https://epubs.icar.org.in/index.php/IndFarm/article/view/66460.