by Prof. Subowo, dr. M.Sc., Ph.D $7.00
by Syaifuddin $12.00
by Vicki Iovine $11.00
by Hadinoto, Kusudiarto $6.00
by Djokosetio Sidiarto, Lily dkk $7.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $6.00