Kussudyarsana, K, Eling Widiatmoko, and Ayu Sri Utami. 2019. “Analisis Daya Saing Pasar Tradisional Terhadap Pasar Modern Di Sukoharjo”. Prosiding University Research Colloquium, January, 213-23. https://repository.urecol.org/index.php/proceeding/article/view/537.