Witharana, S.; Naresh, R.K.M.; Alwis, K.A.M.; Udagedara, A.B.; Lenadora, J.B.
 (University of Ruhuna, Matara, Sri Lanka, 2015-03-04)
Rice is Sri Lanka’s staple food, eaten at least once a day by almost all citizens, and, 
twice a day by the majority. Electrical rice cookers have become the neat and convenient 
choice of a large number of households ...