Vicki Dwi Purnomo and Jumadi 2023. Legal Protection Against Consumers Experiencing Price Differences Between Labels Prices and Self-Service Cashiers in the District Sleman . Formosa Journal of Social Sciences (FJSS). 2, 2 (Jun. 2023), 291–306. DOI:https://doi.org/10.55927/fjss.v2i2.4575.