by Prof. Dr. Kees Bertens, MSC $9.00
by Ernest Mariyanto $6.00
by $4.00
by L. Prasetya, Pr. $6.00
by Dr. H. Pidyarto Gunawan, O.Carm $4.00
by H. Rahmat Rukmana & Indra Mukti Harahap $5.00