by Nursalam $12.00
by Dr. C. Groenen, OFM. $8.00
by Ir. Hatta Sunanta, B.Sc., MS $6.00
by Philip Etienne R. $3.00
by Adrian Sutedi, S.H., M.H. $0.00
by Dra. Nurul Zuriah, M.Si $0.00