http://repository.uhamka.ac.id/id/eprint/12709/ Enhancing Conceptual Knowledge about Shape through Realistic Mathematics Education Pramudiani, Puri http://repository.uhamka.ac.id/id/eprint/12709/1/03_A_2017_Article_JIPD_Puri%20dkk_Conceptual%20Shape.pdf Unduh!