by Thabrani, Rinaldi $12.00
by Ir. Abbas Siregar Djarijah $6.00
by Dr. Al. Purwa Hadiwardoyo, MSF. $4.00
by Anselm Grun, OSB. $3.00
by Bayu Adjie $9.00
by Drs. Slamet Saksono $7.00