Sivan, Swathy, K. Arya, M. N. Sheela, B. S. Revathi, and P. V. Abhilash. “Principal Component Analysis and Clustering of Cassava Germplasm Based on N and K Efficiency”. International Journal of Bio-resource and Stress Management 14, no. Jan, 1 (May 18, 2023): 094–100. Accessed September 21, 2025. https://www.ojs.pphouse.org/index.php/IJBSM/article/view/510.