by Dr. Yan Van Paassen, MSC $6.00
by Prof. Adolf Lippi, CP $4.00
by $12.00
by Prof. dr. Sjaiful Daili, dr. Wresti Indriatmi B.M. $9.00
by $9.00
by Karl May $5.00
by AAK (Aksi Agraris Kanisius) $6.00