by Redaksi Rineka Cipta $7.00
by Suyitno dan Kamarijani $6.00
by Sudarmi $5.00
by Gunawan Widjaja & Kartini Mulyadi $9.00
by H.P. Panggabean, S.H. $6.00
by Dra. Dwi Hayu Agustini, MBA $9.00