Intyassandy, D. S. L., Destiniar, D. and Septiati, E. (2022) “Development of Mathematics E-Book on Pythagorean Theorem Material”, PYTHAGORAS Jurnal Matematika dan Pendidikan Matematika, 17(1), pp. 357–367. doi: 10.21831/pythagoras.v17i1.44968.