alemayehu, Addis; desse, Yadeta Major Advisor (PhD); oljira, Lemessa Co Advisor (PhD)
(Haramaya university, 2019-06)
Introduction: Adolescents are defined by the World Health Organization as at age group 10-19 years. The
onset of adolescence which is more or less coinciding with puberty is often influenced by manifestation of
puberty. ...