by Dr. Ruth K $9.00
by Jaelani, S.Si $7.00
by Prof. Dr. Nurlela Boedjang, dr. Kahar Kusumawidjaja $6.00
by Nursalam $12.00
by Tommy H. Purwaka $11.00
by Reeves $13.00
by Abdul Wahab $7.00
by Prof. DR. Sukardjo $7.00
by Yusuf Abdullah Daghfag $6.00
by Hayatinufus A.L. Tobing $9.00
by Darmo Rahardjo $9.00
by Rene Wellek dan Austin Warren $6.00