Vicki Dwi Purnomo, Jumadi. Legal Protection Against Consumers Experiencing Price Differences Between Labels Prices and Self-Service Cashiers in the District Sleman . FJSS [Internet]. 2023 Jun. 30 [cited 2026 Apr. 16];2(2):291-306. Available from: https://journal.formosapublisher.org/index.php/fjss/article/view/4575