Malaysian Sewerage Industry Guideline (MSIG) Vol 1 Planning Principles and Tools dari SPAN
Issuance of Letter of Release for Form G11 by Departmental of Occupational Safety and Health (DOSH)
Registration of Engineers Act 1967 (Revised 2015) & Registration Of Engineers Regulations 1990 (Revised 2015) Book [2nd Edition] - Inclusive Explanatory Notes
