http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Làm thế nào để tâm sự với con cái về giới tính
Sách cung cấp những ý kiến thực tế, những thông tin chính xác và cập nhật, những hướng dẫn cần thiết về những vấn đề liên quan đến việc giáo dục giới tính
health education,sex hygiene,sex instruction