Salsabila Mayla Nadhira Syifa, Ovi Ardilla, Abdul Lahif Sitompul, Ainun Meryna Aulia, Ika Safitri. BEHAVIORAL HABITUATIONOF OF SMILE, GREETINGS AND GRATITUDE OF LIBRARIANS TOWARDS SCHOOL USERS. J.QIER [Internet]. 2024 Jun. 24 [cited 2024 Oct. 14];1(2):318-33. Available from: https://jurnal.asrypersadaquality.com/index.php/journalqier/article/view/263