Fahmi, Ismail, AND 		Siregar, Yenni.
" ANALISIS IMPLEMENTASI PROGRAM ASI EKSLUSIF DI DINAS KESEHATAN KABUPATEN TAPANULI SELATAN" <em>Jurnal Kesehatan Ilmiah Indonesia (Indonesian Health Scientific Journal)</em> [Online], Volume 3 Number 2 (10 December 2018)