![]() | Up a level |
Arna, Yessy Dessy and Suwandi, Tjipto and Yusuf, ah (2017) The effect of knowledge of adolescent girls on the development of secondary sexual characteristics at puberty on self-image of adolescent girls in Wonoayu Sidoarjo. Journal of Applied Environmental and Biological Sciences, 6 (1). pp. 72-75. ISSN 2090-4274