The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
ni dui zi wei zhi duo shao
Pages: 12-13
Year: Issue:  1
Journal: Knowledge is Power

Abstract:  进入青春期的男孩女孩,大多处在初、高中阶段.由于学校的教育,相关书籍的增多等等,对青春期身体各部分的变化,多数已不再感到惶惑、神秘.但是,统计数据显示,自慰问题仍然较大范围地困扰着青少年和他们的父母.
Related Articles
No related articles found