00680nam a2200205Ia 4500 CTU_115286 210402s9999 xx 000 0 und d 301.1543 F198 Family planning in Japan : Opinion survey by the Mainichi Newspapers Edited by the Population Problems Research Council, the Mainichi Newspapers Tokyo Japanese Organization for International Cooperation in Family Planning 1970 Birth control,Public opinion Public opinion Japan,Japan Giang Trung tâm Học liệu Trường Đại học Cần Thơ