by Paramhansa Yogananda $16.00
by Majdi Fathi Sayyid $6.00
by Hiro Tugiman $6.00
by Dr. K.H. Didin Hafidhuddin, M.Sc $9.00
by Ir. H. Rahmat Rukmana $6.00
by Ir. Abbas Siregar Djarijah & Ir. Harsono Puspowardoyo $5.00