by Arthur Agatston $12.00
by Sartono & Marina Lubniar Sartono $10.00
by Aziz Alimul $9.00
by Martin, A., James Swarbrick & Arthur Cammarata $12.00
by Prof. dr. Hadiarto Mangunnegara, dr. Dianiati $11.00
by Nursalam $12.00