Foreword by DHSUD Secretary Eduardo D. Del Rosario on the book "Revised IRR of the National Building Code of the Philippines Annotated" by Atty. Alvin T. Claridades
Foreword by DHSUD Secretary Eduardo D. Del Rosario on the book "Revised IRR of the National Building Code of the Philippines Annotated" by Atty. Alvin T. Claridades