by Ir. M. Lies Suprapti $6.00
by Anton Gerbono & Abbas Siregar Djarijah $7.00
by Huub J. W. M. Boelaars, OFM. Cap $20.00
by $4.00
by J. Donald Walters $5.00
by Ir. Hieronymus Budi Santoso & Tata S. $5.00
by Prof. Abdur Rahman I Do'I, Ph.D $7.00