S, C., Z. R, Y. Y.K, N. H, N. B.A, and T. Y.N. “Effects of Sugars and Aminooxyacetic Acid on the Longevity of Pollinated Oncidium Gower Ramsey Flowers”. Malaysian Journal of Science, vol. 26, no. 2, Aug. 2007, pp. 57-63, http://mojes.um.edu.my/index.php/MJS/article/view/8057.