by Prof. I. R. Poedjawiyatna $9.00
by Sudradjat, S.E $6.00
by Drs. Muchdarsyah Sinungan $9.00
by Untung Sukardji $20.00
by Untung Sukardji $12.00
by Dra. Khusnul Khotimah $6.00