BPS, June 10, 2005
BPS LIST OF NATIONAL STANDARDS DECLARED MANDATORY
National Administrative Register June 10, 2005
See text, National Administrative Register Volume 16 No. 2, April-June 2005 pp. 775-776.
* All Text/ Specifications of Philippine National Standards (PNS) are Available at Office of the National Administrative Register (ONAR), U.P. Law Complex.