| Summary: | Software needs to deliver acceptable levels of quality, whilst meeting the functional demands of users. This
need is gaining more consideration in Enterprise Resource Planning (ERP) and multi-tenant software. This
study investigated the effect of software customization on external quality attributes via four pertinent
primary studies, which were summarized, aggregated, discussed and presented through a systematic
literature review. The primary studies in this review were chosen through the application of inclusion and
exclusion criteria to applicable articles published during the period 2000-2016; they were analysed using
research questions that focused on software customization, software quality attributes and measures,
approaches, and impact results. The results revealed that each primary study had been applied in the context
of ERP and demonstrated that different types of customizations can have various effects on particular
quality attributes. Accordingly, further research is needed to determine the impact of customization on each
external quality attribute.
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