“Pengaruh Usaha Sarang Burung Walet Terhadap Pendapatan Masyarakat Di Kota Surabaya”, RISK, vol. 4, no. 1, pp. 12–21, May 2023, Accessed: Dec. 06, 2025. [Online]. Available: https://ojs.unik-kediri.ac.id/index.php/risk/article/view/4638