1,420 Siti Sarah Binti Mohd Sinin 2019-04-04 https://journals.ashs.org/hortsci/view/journals/hortsci/38/2/article-p161.pdf Flores, H. E., Walker, T. S., Guimarães, R. L., Bais, H. P., & Vivanco, J. M. (2003). Andean root and tuber crops: Underground rainbows. HortScience, 38(2), 161-167. Revised record 24.9.2019.