First research for innovation in classroom teaching at the first level of education in Asia : laporan [Research Workshop for Innovations in Classroom Teaching at the First Level of Education in Asia], tanggal 11 September sd 25 October 1973, diselenggarakan oleh National Institute for Educational Research of Japan - Soedijarto (Badan Pengembangan Pendidikan, Departemen Pendidikan dan Kebudayaan, 1974)