Syahlani SP, Purwanto BM, Ummul Muzayyanah MA. Message appeal and presentation order of public service advertisement: an experimental study of egg enriched with omega-3 promotion. JEBAV [Internet]. 2014 Aug. 1 [cited 2025 Dec. 2];17(2):221-8. Available from: https://journal.perbanas.ac.id/index.php/jebav/article/view/305