Fig. 7From: Developing structural sandwich panels for energy-efficient wall applications using laminated oil palm wood and rubberwood-based plywood/oriented strand boardSwelling in major (a), minor (b) and thickness (c) directions of the oil palm core sandwich panel. The different between the mean value was determined by One-way-ANOVA test at 0.05 level of significance. The same letter indicates that there is no difference between the mean valuesBack to article page