by Jaelani, S.Si $7.00
by Sakti A. Siregar $6.00
by Suhardjo $7.00
by WK $12.00
by Yayasan Essentia Medica $6.00
by Nursalam $12.00
by $7.00
by Dr. Ir. H. Suprijanto $9.00
by AA Navis $11.00