by WK $11.00
by R. Soegeng $16.00
by Ganijanti $16.00
by $6.00
by Prof. drh. Charles Rangga Tabbu, M.Sc., Ph.D $13.00
by WK $12.00
by $18.00
by Prof. Dr. Sondang P. Siagian, M.P.A $7.00
by Supranto, J. $7.00
by Redaksi Rineka Cipta $7.00
by Slamet Soeseno $5.00
by Gus tf Sakai $7.00