by Drs. Agus Sujanto, dkk $7.00
by S. Wibowo $13.00
by M. Aleq Sander, S.Dr $22.00
by Prof. dr. Peter Kabo Ph.D., dr. Sjukri Karim $7.00
by Brooks $18.00
by Sastrodiwirjo, Soemargo, dkk $5.00
by Tierney $12.00
by Tierney $18.00
by Martin Aleida $9.00
by Thoby Mutis, Trubus Rahardiansah & H.A. Prayitno $10.00