by dr. Yohannis Manangsang $5.00
by Aziz Alimul $11.00
by Aziz Alimul $9.00
by Dra. M. Sri Sulastri Rifai, M.Pd $6.00
by Katzung $24.00
by Mireille Guiliano $11.00
by Penyunting: Oemarjati, Boen S. $7.00