FINANCIAL MODEL INNOVATION IN ISLAMIC BOARDING SCHOOL BUSINESS: WIRTZ’S FRAMEWORK AND CASE STUDY OF AL ITTIFAQ ISLAMIC BOARDING SCHOOL AS A ROLE MODEL IN INDONESIA. Lex localis - Journal of Local Self-Government, [S. l.], v. 23, n. S6, p. 5327–5338, 2025. DOI: 10.52152/s76tfa02. Disponível em: https://lex-localis.org/index.php/LexLocalis/article/view/802564. Acesso em: 20 aug. 2026.