by Sisca Soewitomo $6.00
by Lanny Soechan $6.00
by Ir. Sarjoni Basri $7.00
by $18.00
by APPMI $16.00
by Drs. Burhanuddin Salam $9.00
by Pradipta $11.00
by Faqihuddin Abdul Kadir $5.00
by Sergio Zyman $9.00
by Daniel Goleman, Richard Boyatzis $12.00
by Badan Pusat Statistik $50.00