MSMA 1 #
One can refer to MSMA 1 at the official website here
MSMA 2 #
Here is the official guideline for Urban StormWater Management Manual for Malaysia Second Edition.
A mirror copy of the guideline can also be downloaded from here.
SUStoM #
SUStoM (Sarawak Urban Stormwater Management manual), should be read in conjunction with the above MSMA 2, the guideline can be found here
