Herdani, Bryant, and Jauhar Wahyuni. “STRATEGI PROVIDER BY.U MELALUI EVENT ‘GOES TO SCHOOL’ PADA KALANGAN SISWA DI SURABAYA”. The Commercium 10, no. 3 (July 18, 2026): 543–553. Accessed August 6, 2026. https://ejournal.unesa.ac.id/index.php/Commercium/article/view/81342.