“…These functional considerations provided the support users needed to figure out distances on non-flat surfaces, as shown in the research work of Prasetya et al [19]. Recent debates in the literature are about the knowledge and understanding that valence of requirements is necessary to implement important system features in L-aS [28,29]. Therefore, to enhance the performance and service delivery of l-aS that met the user experience needs of users, non-functional requirements such as engagement, usability, privacy, positive appeal, user experiences IJESUNOR AKHIGBE, OSOSANYA AND AJAYI OLAJUBU A MOBILE BASED PHARMACY STORE LOCATION... and satisfaction, and trustworthiness assessment have been considered in the literature [24,28,29,30].…”