PAUL, AMRIT KUMAR, WASI ALAM, and PAL SINGH. “Average Linkage Method for Clustering Rice (Oryza Sativa) Producing States of India*”. The Indian Journal of Agricultural Sciences 81, no. 8 (August 3, 2011). Accessed June 27, 2026. https://epubs.icar.org.in/index.php/IJAgS/article/view/8452.