Widyo Nugroho, Nugroho (2026) and Rita Ambarwati, Ambarwati and Detak Prapanca, Prapanca and Atik Wahyuni, Wahyuni   Developing Cost Frameworks for Sustainable Water Supply Utility: A Bibliometric Analysis and Systematic Literature Review.  International Journal of Sustainable Development and Planning, 20 (1).  pp. 227-244.  ISSN -