Satyanarayana, A., Thiyagarajan, T.M. and Uphoff, N. (2007) Opportunities for Water Saving with Higher Yield from the System of Rice Intensification. Irrigation Science, 25, 99-115.
 Belder, P., Bouman, B.A.M., Cabangon, R., Lu, G., Qualing, E.J.P., Li, Y.H., Spiertz, J.H.J. and Tuong, T.P. (2004) Effect of Water-Saving Irrigation on Rice Yield and Water Use in Typical Lowland Conditions in Asia. Agricultural Water Management, 65, 193-210.
 Tabbal, D.F, Bouman, B.A.M., Bhuiyan, S.I., Sibayan, E.B. and Sattar, M.A. (2002) On-Farm Strategies for Reducing Water Input in Irrigated Rice; Case Studies in the Philippines. Agricultural Water Management, 56, 93-112.
 Chapagain, T. and Yamaji, E. (2010) The Effect of Irrigation Method, Age of Seedling and Spacing on Crop Performance, Productivity and Water-Wise Rice Production in Japan. Paddy and Water Environment Journal, 8, 81-90.
 Estela, P., Tubana, B., Bertheloot, J. and Lafarge, T. (2004) Impact of Early Transplanting on Tillering and Grain Yield in Irrigated Rice. 4th International Crop Science Congress, Brisbane, 26 September 2004.
 Ceasey, M., Reid, W.S., Fernandes, E.C.M. and Uphoff, N.T. (2006). The Effects of Repeated Soil Wetting and Drying on Lowland Rice Yield with System of Rice Intensification (SRI) Methods. International Journal of Agricultural Sustainability, 4, 5-14.
 Yang, J.C., Zhang, J.H., Wang, Z.G., Liu, L.J. and Zhu, Q.S. (2001) Hormonal Changes in the Grains of Rice Subjected to Water Stress during Grain Filling. Plant Physiology, 127, 315-323.
 Lilley, J.M. and Fukai, S. (1994) Effect of Timing and Severity of Water Deficit on Four Diverse Rice Cultivars III. Phenological Development, Crop Growth and Grain Yield. Field Crops Research, 37, 225-234.
 Halil, S. and Neemi, B. (1999) The Effect of Water Stress on Grain and Total Biological Yield and Harvest Index in Rice (Oryzae sativae L.). In: Chataigner, J., Ed., Future of Water Management for Rice in Mediterranean Climate Areas: Proceedings of the Workshops, CIHEAM, Montpellier, 61-68.