M. D. Bacuno, J. . C. Aparilla, E. J. . O. Alvarado, and K. . G. Pandeagua, “Whispered Bidding Practice (Bulungan) in the Mercedes Fish Port: Cultural Communication and Informal Economy in Philippine Fisheries”, tjeraff, vol. 5, no. 2, pp. 15–31, Dec. 2025.