by Drs. D. Ketut Sukardi $11.00
by Bert van der Heijden, SCI. $4.00
by A.P. Oenarto Mulyopranoto, A.M. Baut dan Stephanus Ngamanken $6.00
by Darminta, J, SJ $4.00
by Mark Link, SJ. $6.00
by Dr. Khalid Abu Syadi $5.00
by $7.00
by MarkPlus & Co $28.00