Péntek Á, Pierog A, Kovács T. HOW TO INCREASE WORKFLOW EFFICIENCY FOR MICRO AND SMALL BUSINESSES WITH A CUSTOM-BUILT MOBILE APP IN HUNGARY - A CASE STUDY FOR A LANGUAGE LEARNING SCHOOL. APSTRACT [Internet]. 2024 Dec. 30 [cited 2025 Dec. 5];18(2). Available from: https://ojs.lib.unideb.hu/apstract/article/view/14573