Dua, V.K., Lal, S.S. and Govindakrishnan, P.M. (2005) “Production potential and competition indices in potato (Solanum tuberosum) + French bean (Phaseolus vulgaris) intercropping system in Shimla hills”, The Indian Journal of Agricultural Sciences, 75(6). Available at: https://epubs.icar.org.in/index.php/IJAgS/article/view/9367 (Accessed: 21 October 2025).