by Marlene Tabalujan Setiyadi $34.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $6.00
by Miriam Budiarjo $6.00
by Freddy Rangkuti $9.00
by Ir. Budi Samadi $0.00
by Aloys Budi Purnomo, Pr. $4.00