by Robert $0.00
by Agung Kristiawan $9.00
by WK $11.00
by WK $13.00
by $6.00
by Hasanuddin Rahman, S.H. $6.00
by Prof. Dr. Suharsimi Arikunto $11.00
by Drs. Suyadi Prawirosentono, MBA $11.00
by Dr. C. Groenen, OFM. $7.00
by Ian L. Betts $30.00
by Jerry D. Gray $6.00