ASTANTI, D. W.; IRAWATI, D. Y. PENINGKATAN KUALITAS PELAYANAN PADA YAYASAN SOSIAL DI SURABAYA DENGAN METODE SERVICE QUALITY (SERVQUAL) DAN QUALITY FUNCTION DEPLOYMENT (QFD). Heuristic, [S. l.], v. 18, n. 2, p. 73–82, 2021. DOI: 10.30996/heuristic.v18i2.6157. Disponível em: https://jurnal.untag-sby.ac.id/index.php/HEURISTIC/article/view/6157. Acesso em: 28 apr. 2026.