Sylvia, Monica, and Yelli Eka Sumadhinata. 2021. “Business Development of Lie Tulip Salon Using a Canvas Business Model”. Technium Social Sciences Journal 17 (1). Constanta, Romania:343-54. https://www.techniumscience.com.techniumscience.pluscommunication.eu/index.php/socialsciences/article/view/2664.