by Dr. H. Hamzah B. Uno, M.Pd $7.00
by Dr. Ibrahim Bafadal, M.Pd $9.00
by Wahyu Qamara Mugnisjah & Asep Setiawan $7.00
by $7.00
by S. Soegijanto $11.00
by Michael P. Todaro $12.00
by Hutabarat, Sahala & Evans, Stewart M $5.00
by Ir. Bambang Cahyono $6.00
by Drs. Agus Handoko $5.00
by Tierney $18.00