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Muhtadi Irvan2 , Sunardi1 EA , H ,. Spatial Intelligence on Solving Three Dimensional Geometry Object Through Project Based Learning. Int. j. soc. sci. humanit. invent. [Internet]. 2017 Aug. 20 [cited 2024 Nov. 29];4(8):3817-22. Available from: https://valleyinternational.net/index.php/theijsshi/article/view/876