by Rita Erwiyah $6.00
by H. Abu Daud Busroh $9.00
by $16.00
by Drs. C.S.T. Kansil, S.H $11.00
by Prof. Dr. Sondang P. Siagian, M.P.A $11.00
by Prof. Mr. Roeslan Saleh $6.00