relation: https://eprints.untirta.ac.id/22935/ title: Interactive Math E-Book: An Alternative Learning Resources for 21st Century Learners creator: Haryadi, Rudi subject: L Education (General) type: Article type: PeerReviewed format: text language: en identifier: https://eprints.untirta.ac.id/22935/1/49.%20Interactive%20Math%20E-Book-%20An%20Alternative%20Learning%20Resources%20for%2021%20st%20Century%20Learners.pdf identifier: Haryadi, Rudi Interactive Math E-Book: An Alternative Learning Resources for 21st Century Learners. Interactive Math E-Book: An Alternative Learning Resources for 21st Century Learners.