by Moenaf H. Regar $7.00
by Alleen H. Lipis, dkk $9.00
by Drs. Suyadi Prawirosentono, MBA $9.00
by Eko Priyo Pratomo, Ubadilah Nugraha $11.00
by Drs. Ig. Wursanto $7.00
by Salah Wahab $9.00