by Dr. Siti Zulaikha et al $6.00
by $4.00
by Adi W. Gunawan $13.00
by Aloys Budi Purnomo, Pr. $3.00
by E. Martasudjita, Pr. $3.00
by Hani Hendayani dan Amatullah Shafiyyah $6.00
by Drs. Ary H. Gunawan $11.00
by WK $11.00
by Dr. K.H. Didin Hafidhuddin, M.Sc $7.00