by Gavin Keunedy $11.00
by Is Mujiarso dkk $9.00
by Kosuke Mizuno, Indrasari Tjandraningsih, Rina Herawati $31.00
by Smith, John B. & Soesanto Mangkoewidjojo $6.00
by Hermawan Kartajaya cs $12.00
by Ir. Heinz Frick $7.00