TY - SER TI - Philippine engineering journal SN - 0117-5564 AV - TA1 .P48 U1 - 620/.005 20 PY - 2022///- CY - Quezon City PB - U.P. Engineering Research and Development Foundation for the National Engineering Center, U.P. Diliman KW - Engineering KW - Periodicals KW - Philippines N1 - Includes bibliographical references; College of Engineering and Architecture CEA ER -