Aristiyanto, R. .; Gunawan, M. A. .; Khoirunnisa, E. .; Warpaatun, W.; Arif, S. .; Hantoro, N. .; Sufia, N. V. .; Rizkiana, Y. . THE EFFECTIVENESS OF CONTEXTUAL NUMERACY LEARNING INNOVATION IN ENHANCING UNDERSTANDING OF BASIC MATHEMATICAL OPERATIONS. JRPP 2023, 6, 1183-1188.