This study aims to identify research gaps on green purchasing topics and proposes several recommendations for future research. To explain the phenomenon of green products purchase, this study uses Theory of Planned Behavior (TPB) in framework. The research uses a qualitative method approach by conducting a review of articles that traced through four popular journal providers: Ebsco, J-Stors, Proquest and Emeraldinsight. A literature search process held between April, 2015 until Juni, 2015 and

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... sulted on 67 chosen articles. The outcome of the review identified four theoretical gaps, two methodological gaps and one practical gap.