by ISEI $26.00
by ISEI $11.00
by Ir. Loekas Soesanto, M.S., Ph.D $11.00
by Augustinus $7.00
by Ir. Dedy Heryadi Sutisna, MS & Ratno Sutarmanto $6.00
by Made Astawan & Andreas Leomitro Kasih $12.00
by Lilik Mulyadi, S.H. $7.00
by H. Rahmat Rukmana $5.00
by Aji Supriyanto $16.00
by Fuad bin Sayyid Abdurrahman ar-Rifa'i $5.00
by Sisca Susanto $7.00
by Faiza Hermain $7.00