http://repository.uhamka.ac.id/id/eprint/12664/
Turnitin Enhancing Conceptual Knowledge about Shape through Realistic Mathematics Education
Puri, Pramudiani
http://repository.uhamka.ac.id/id/eprint/12664/1/03_A_2017_Uji%20Turnitin%20Article_JIPD_Puri%20dkk_Conceptual%20Shape.pdf