<![CDATA[The study aims to develop POE-based learning resources in the form of modules for senior high school chemistry on the solution colligative properties subject. The research method used is development research. Development research used 4-D model which are carried out in four stage: Define, Design, Development, and Disseminate. In the research only on the stage of development. The developed POE-based learning source prototype was validated by 4 validators, 2 people as experts and 2 people as users. The research data was obtained through a validation sheet filled by the validator. The results of the assessment of the four validators in each aspect assessed by the category are very good.The conclusion shows that the POE-based modules produced for senior high school chemistry learning on solution colligative properties are valid in terms of content and construction.]]>
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