by E. Martasudjita, Pr. $3.00
by $4.00
by Prof. Dr. Suharsimi Arikunto $11.00
by H. Rahmat Rukmana & Hj. Yuyun Yuniarsih, SP., MBA., MM $6.00
by Dra. Nurul Zuriah, M.Si $11.00
by Dr. James J. Spillane, SJ. $11.00
by $6.00
by Dr. Yusuf Al-Qardlawi $6.00
by $9.00
by Peter Kuintenbrouwer $7.00
by - $11.00
by - $7.00