Requirement Model for Purchasing Management System: A Case Study at Agensi Anti-Dadah Kebangsaan Kedah (AADK)

Requirement Model for Purchasing Management System can help
organisation to overcome all purchasing issues in a proper and effective way. This case study which focuses on purchasing activity as the domain of study was conducted at Agensi Anti-dadah Kebangsaan Kedah. This organisation
was chosen because of the current implementation purchasing activities that was implemented at AADK is very complex. So hopefully that this constructed model will help system developer to understand the concept, flow
as well as procedures in managing purchasing activities. Therefore this study is to utilise a Requirement Model for Purchasing Management System as a basis to develop a Purchasing Management System so as to overcome all
purchasing issues in the organisation. This requirement model was developed using Unified Modelling Language (UML) that consists of certain model diagrammatical such as Use case Diagrams, Class Diagrams, Activity Diagrams and Interaction Diagram (Sequence Diagrams and Collaboration
Diagrams) and supported by certain textual information likes Use Case Specification and Requirement List. Test Script Technique and Sample System (prototype) is then developed to validate this constructed model. Through this study, requirement model findings shows that it consists of 47 functional requirements and 3 non-functional requirements that were needed to construct Requirement Model for Purchasing Management System. This study can provide a better solution for organisation to develop a Purchasing Management System that can be implement at all government agencies as well as all related private sector companies.