Micro, Small, and Medium Enterprises (MSMEs) play a vital role in Indonesia's economy. However, they often face various digitalization challenges due to limitations in human resources, financial capacity, and digital literacy. Conventional approaches such as Waterfall are considered insufficiently flexible, while the separate implementation of Lean and Scrum still presents limitations when applied to the context of MSMEs. This study aims to develop an Integrated Lean–Scrum Model that combines Scrum's iterative framework as the development backbone with Lean principles embedded throughout each development stage to accommodate the characteristics of MSMEs. The study adopts a conceptual model development approach complemented by a perception survey. The model was designed based on a literature review, and its initial acceptance was assessed through a survey involving 31 students who had studied software development methodologies and possessed a basic understanding of MSME characteristics. The survey results indicate a positive level of initial acceptance, with a mean score of 3.58 and a mean integration item score of 3.71 on a five-point Likert scale. These findings suggest that the Integrated Lean–Scrum Model has the potential to serve as a more adaptive and efficient alternative methodology for information systems development in Indonesian MSMEs.
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