STOYANOVA, Petya. OPTIMIZATION OF SERVICE AND THE INTRODUCTION OF SELF-SERVICE CASH REGISTERS IN A GROCERY STORE. KNOWLEDGE - International Journal , [S. l.], v. 70, n. 3, p. 297–303, 2025. Disponível em: http://ojs.ikm.mk/index.php/kij/article/view/7574. Acesso em: 17 apr. 2026.