“ANALISIS STRATEGI DIFERENSIASI DALAM PELAYANAN BEAUTY SPA & SPA BABY TERHADAP KEUNGGULAN BERSAING DI RSIA ERIA BUNDA PEKANBARU” (2018) Al-Tamimi Kesmas: Jurnal Ilmu Kesehatan Masyarakat (Journal of Public Health Sciences), 5(2), pp. 25–34. Available at: https://jurnal.ikta.ac.id/kesmas/article/view/93 (Accessed: 29 April 2024).