NINGRAT, G. A. .; KOUNTUR, R. Analisis Kelayakan Proyek Investasi Layanan Spa: Studi pada Perusahaan PT. Bias Puspa Kreasi. Journal of Emerging Business Management and Entrepreneurship Studies, [S. l.], v. 3, n. 1, p. 1–15, 2023. DOI: 10.34149/jebmes.v3i1.89. Disponível em: https://jebmes.ppmschool.ac.id/index.php/jebmes/article/view/89. Acesso em: 21 dec. 2024.