00514pamaa2200145 4500 0000013584 20090603090000.0 [ nil ] TA439 MAL 1991 MALAYSIAN standard MS26 : Part 1 : 1991 : Methods of testing concrete : Part 1 : methods of sampling fresh concrete (first revision). Shah Alam: Sirim, 1991. 79p.: 30cm. Civil engineering -- Standards -- Malaysia Standards and Industrial Research Institute of Malaysia