Ingenieur Vol 80 ingenieur 2019 octoberfinal

KDN PP 11720/4/2013 (032270) THE VOL.80 OCTOBER-DECEMBER 2019 L E M B AG A J U R U TE R A M A L AY S I A B OA RD OF E NGI NEERS MALAYSIA INGENIEUR M A G A Z I N E O F T H E B O A R D O F E N G I N E E R S M A L A Y S I A A E R O & AV I AT I O N I N D U S T R Y