by dr. Yoannes Y. Laban $5.00
by James T. Burtchaell, CSC $4.00
by Ir. Bambang Cahyono $6.00
by Prof. Dr. H. Jalaluddin $6.00
by Petrus Suparyanto, FIC $7.00
by Novrida Mulya Rokhma $6.00