by Dr. Ir. Kemas Ali Hanafiah, M.S., dkk $7.00
by Bambang Agus Murtidjo $6.00
by N. Wahyu Sulistiyana $4.00
by dr. Endang Lanywati $5.00
by Subiyakto Sudarmo $6.00
by Calvin S. Hall & Gradner Lindzey $12.00
by - $5.00
by dr. Santoso Gunardi, MS, PAK $6.00
by - $11.00
by - $12.00
by Salim H. S, S. H. $9.00
by $9.00