Rawat, Shashi, et al. “POTENTIAL YIELD ESTIMATION OF POTATO: COMPARISON OF ESTIMATES OF INFOCROP POTATO AND VERSTEEG AND VAN KEULEN METHODS”. Potato Journal, vol. 34, no. 1 - 2, Sept. 2013, https://epubs.icar.org.in/index.php/PotatoJ/article/view/33135.