Student difficulties in mathematizing word problems in algebra A Jupri, P Drijvers Eurasia Journal of Mathematics, Science and Technology Education 12 (9 …, 2016 | 101 | 2016 |

Difficulties in initial algebra learning in Indonesia A Jupri, P Drijvers, M van den Heuvel-Panhuizen Mathematics Education Research Journal 26 (4), 683-710, 2014 | 97 | 2014 |

Student difficulties in solving equations from an operational and a structural perspective A Jupri, P Drijvers, M van den Heuvel-Panhuizen Mathematics Education 9 (1), 39-55, 2014 | 37 | 2014 |

Improving grade 7 students’ achievement in initial algebra through a technology-based intervention A Jupri, P Drijvers, M van den Heuvel-Panhuizen Digital Experiences in Mathematics Education 1 (1), 28-58, 2015 | 23 | 2015 |

Misconception on addition and subtraction of fraction at primary school students in fifth-grade V Trivena, AR Ningsih, A Jupri Journal of Physics: Conference Series 895 (1), 012139, 2017 | 18 | 2017 |

From geometry to algebra and vice versa: Realistic mathematics education principles for analyzing geometry tasks A Jupri AIP Conference Proceedings 1830 (1), 050001, 2017 | 15 | 2017 |

Students’ mathematical creative thinking through problem posing learning U Ulfah, S Prabawanto, A Jupri Journal of Physics: Conference Series 895 (1), 012097, 2017 | 12 | 2017 |

The Development of Interactive Mathematics Learning Material Based on Local Wisdom with. swf Format MK Abadi, ECM Asih, A Jupri JPhCS 1013 (1), 012131, 2018 | 10 | 2018 |

Construction of open-ended problems for assessing elementary student mathematical connection ability on plane geometry RY Agustini, D Suryadi, A Jupri Journal of Physics: Conference Series 895 (1), 012148, 2017 | 10 | 2017 |

Student obstacles in ratio and proportion learning W Andini, A Jupri Journal of, 2017 | 10 | 2017 |

Improving Problem Solving Skill and Self Regulated Learning of Senior High School Students through Scientific Approach using Quantum Learning strategy M Sudirman, S Fatimah, A Jupri International Journal of Science and Applied Science: Conference Series 2 (1 …, 2017 | 9 | 2017 |

Using the van hiele theory to analyze primary school teachers' written work on geometrical proof problems A Jupri J. Phys.: Conf. Ser 1013, 2018 | 8 | 2018 |

Expert strategies in solving algebraic structure sense problems: The case of quadratic equations A Jupri, R Sispiyati Journal of Physics (Conference Series) 812 (1), 2017 | 8 | 2017 |

The construction of mathematical literacy problems for geometry PN Malasari, T Herman, A Jupri Journal of Physics: Conference Series 895 (1), 2017 | 7 | 2017 |

THE EFFECT OF ETHNOMATHEMATICS-BASED SAVI (SOMATIC, AUDITORY, VISUALIZATION, INTELECTUALLY) APPROACH ON MATHEMATICAL COMMUNICATION SKILL ON GEOMETRY IN ELEMENTARY SCHOOL L Farokhah, A Arisetyawan, A Jupri International E-Journal of Advances in Education 3 (9), 534-543, 2017 | 7 | 2017 |

An instrumentation theory view on students’ use of an applet for algebraic substitution A Jupri, PHM Drijvers, V den Heuvel-Panhuizen International Journal for Technology in Mathematics Education 23 (2), 63-80, 2016 | 7 | 2016 |

The use of applets to improve Indonesian student performance in algebra A Jupri Utrecht University, 2015 | 7 | 2015 |

Computational estimation in grade four and five: design research in Indonesia A Jupri Utrecht University: Freudenthal Institute, 2008 | 6 | 2008 |

Open-Ended Problems dalam Matematika A Jupri Tersedia pada: http://mathematicse. wordpress. com/2007/12/25/open-ended …, 2007 | 6 | 2007 |

Student difficulties in solving geometry problem based on Van Hiele thinking level DL Sulistiowati, T Herman, A Jupri Journal of Physics: Conference Series 1157 (4), 042118, 2019 | 5 | 2019 |