by Ir. H. Rahmat Rukmana $6.00
by Nursalam $11.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $6.00
by Prof. dr. Hadiarto Mangunnegara, dr. Dianiati $11.00
by Glynis M. Breakwell $7.00
by Elly Luwiharto, SH $11.00