Bintang, H. and Oni Dwi Arianto 2025. COMMUNITY-BASED MARKETING STRATEGY OF WARUNG SASTRA BOOKSTORE YOGYAKARTA IN BUILDING BRAND LOYALTY. The Commercium. 9, 1 (Jan. 2025), 433–446. DOI:https://doi.org/10.26740/tc.v9i1.65994.