NurrahmawatiR., BudihartiN., and AdriantantriE. “ANALISA SERVICE EXCELLENT (PELAYANAN PRIMA) PADA PELAYANAN POSYANDU DESA SIDODADI LAWANG”. Jurnal Valtech, Vol. 4, no. 2, Oct. 2021, pp. 210-6, https://ejournal.itn.ac.id/index.php/valtech/article/view/3860.