Pengaruh peer edukasi tentang jajanan sehat terhadap perilaku anak usia sekolah di kota Lhokseumawe Naggroe Aceh Darussalam = The impact of peer education on healthy food toward school age children Behavior at Lhokseumawe of Nanggroe Aceh Darussalam in 2009 / Mawar Hayati - Mawar Hayati, author (Fakultas Ilmu Keperawatan Universitas Indonesia, 2009)