Co-Authors Achmad Tjarta Arman Muchtar Arman Mukhtar Didid Tjindarbumi Drupadi Dillon Drupadi S. Dillon Endang Hardjolukito Endang S. Roostini Esti Soetrisno Evert D.C. Poetiray Evert Poetiray Goi Sakamoto Gunawan Tjahjadi Herman Cipto Idral Darwis Joedo Prihartono Keishi Araki Kenji Wakai Kenzi Wakai Ketut Mulyadi Masamitsu Ichihashi Masamitsu lchihashi Masato Ueda Mochtar Hamzah Mpu Kanoko Muchlis Ramli Nakako Kubo Nobuo Munakata Sadao Suzuki Santoso Cornain Setiawati Budiningsih Setyawati Budiningsih Susilowati Herman Susumu Watanabe Tooru Nagano