Yaskun, M., Kusbandono, D., & Priambodo, W. (2021). WINGKO BABAT PRODUCT DEVELOPMENT STRATEGY FOR COMPETITIVE ADVANTAGE DURING THE COVID-19 PANDEMIC. JURNAL ILMIAH EDUNOMIKA, 5(02), 1520–1527. https://doi.org/10.29040/jie.v5i2.3531