by Aziz Alimul $7.00
by Nursalam $7.00
by dr. Nur Asikin, dr. V. Sutarmo, dr. Nanang S. $6.00
by Prof. C.J. Ebrahim $6.00
by dr. Magdalena, dkk $6.00
by Prof. dr. Peter Kabo Ph.D., dr. Sjukri Karim $7.00