by dr. Yovita Amanda (PLD 2002-2003) $6.00
by Aziz Alimul $9.00
by Aziz Alimul $7.00
by Arief $12.00
by Thabrani, Rinaldi $12.00
by Dr. Ronald Hutapea, SKM, Ph.D $6.00
by Nyoman S. Pendit $18.00
by M. Fauzil Adhim & M. Nazhif Masykur $6.00