SIRIM - MS 1228:1991 - Code of Practice for Design & Installation of Sewerage System
Ministry of Housing and Local Development - Guidelines for Developers Vol. 4 - Sewage Treatment Plants, 2nd Edition 1998
SPAN - Malaysian Sewerage Industry Guidelines Vol. 2 - Prosedur Kerja-Kerja Pembetungan
SPAN - Malaysian Sewerage Industry Guidelines Vol. 3 - Sewer Network & Pump Station
SPAN - Malaysian Sewerage Industry Guidelines Vol. 4 - Sewage Treatment Plants
SPAN - Malaysian Sewerage Industry Guidelines Vol. 5 - Septic Tanks
SPAN - Technical Specification for Sewage Treatment System for Packaged Plant (Revised Edition March 2013)
DOE - Garis Panduan Keperluan CPD untuk Orang Yang Berwibawa (Edisi tahun 2022)
DOE - Guided Self-Regulation: Environmental Mainstreaming Directive (English Version)
DOE - Guided Self-Regulation: Environmental Mainstreaming Directive (Versi Bahasa Melayu)
DOE - A Guidebook on Performance Monitoring for IETS Operators, 1st Edition 2005
DOE - Guidance Document on Performance Monitoring of IETS, 1st Edition 200r5t9
DOE - Guidance Document on the Design and Operation of IETS,1st Edition 2009
CIBD - MyCESMM2, Edition 2018