TY - BOOK AU - Aw, P.C. TI - 1980 production statistics for clay, sand and rock - based industries in Peninsular Malaysia PY - 1981/// KW - Geology KW - Statistic KW - Malaysia N2 - This report gives the production statistics for rock aggregates, bricks and sand / gravel. While the statistics for crushed srones and common bricks are fairly completes the figure, for sand / gravel are very much under - quoted ER -