Vianney, Yohanes Mario, and Kordianus Larum , translators. “Consumer Preferences and Opportunity Costs in Local Culture: A Microeconomic Analysis of Wangkar Walek Song Lyrics”. West Science Interdisciplinary Studies, vol. 3, no. 08, Aug. 2025, pp. 1288-93, https://doi.org/10.58812/wsis.v3i08.2131.