by Martin, A., dkk
$11.00

by Prof. Komaruddin
$31.00

by Prof. Subowo, dr. M.Sc., Ph.D
$7.00

by Drs. H. Lili M. Sadeli, M.Pd & Drs. Maman Ukas
$6.00

by Nursalam
$13.00

by Dr. Zakiah Daradjat, dkk
$11.00