by Drs. Hendiyat Soetopo $11.00
by Suryokusumo, Sumaryo $6.00
by Sanusi, Bachrawi $6.00
by Anwar, Moh. Arsjad, dkk $6.00
by Toelihere, Mozes R & Yuhara Sukra $5.00
by - $9.00