by Drs. Herman Darmawi $9.00
by Prof. Subowo, dr. M.Sc., Ph.D $9.00
by Dr. Zakiah Daradjat, dkk $11.00
by $18.00
by $7.00
by - $16.00
by $16.00
by Drs. Aloysius Soenarto & Stanislaus Suliangto $4.00
by - $7.00
by Ir. Hieronymus Budi Santoso $5.00