A. Kumar and S. K. Bharti, “A Geographical Study of Crop Intensity in Bhagalpur District: भागलपुर जिला में फसल गहनता का एक भौगोलिक अध्ययन”, rrjss, vol. 4, no. 2, pp. 32–37, Dec. 2024, doi: 10.31305/rrjss.2024.v04.n02.005.