| DESIGN AND IMPLEMENTATION OF A 232.2 KWP ROOFTOP AND ON GRID SOLAR POWER PLANT | |
| Rasional Sitepu, Andrew Joewono, Yuliati Yuliati, Peter R. Angka, Brian Teja, Hartono Pranjoto, Albert Gunadhi |
| THE INHIBITIVE EFFECT OF VITAMIN B2, B6 AND VITAMIN C ON THE COPPER CORROSION | |
| Adriana Anteng Anggorowati, Hartono Pranjoto, Andrew Joewono, Suratno Lourentius, Adi Candra |