by Hendroanto, Aan, Galen, Frans van, van Eerde, D, Prahmana, R C I, Setyawan, F, Istiandaru, A
Published in Journal of physics. Conference series (01.12.2017)

by Galen, Frans Van, Eerde, Dolly Van
Published in IndoMS-journal on mathematics education (01.01.2013)

by Revina, Shintia, Zulkardi, Darmawijoyo, van Galen, Frans
Published in IndoMS-journal on mathematics education (01.07.2011)

by Murdiyani, Nila Mareta, Zulkardi, Zulkardi, Ilma, Ratu, Galen, Frans Van, Eerde, Dolly Van
Published in IndoMS-journal on mathematics education (01.01.2013)

by Yuberta, Kurnia Rahmi, Zulkardi, Hartono, Yusuf, van Galen, Frans
Published in IndoMS-journal on mathematics education (01.07.2011)

by Sumarto, Sylvana Novilia, van Galen, Frans, Zulkardi, H, Darmawijoyo, D
Published in International education studies (2014)

by Frans van Galen, Dolly van Eerde
Published in IndoMS-journal on mathematics education (01.01.2013)

by Shintia Revina, Zulkardi, Darmawijoyo, Frans van Galen
Published in IndoMS-journal on mathematics education (01.07.2011)

by Kurnia Rahmi Yuberta, Zulkardi, Yusuf Hartono, Frans van Galen
Published in IndoMS-journal on mathematics education (01.07.2011)

by Nila Mareta Murdiyani, Zulkardi, Ratu Ilma Indra Putri, Dolly van Eerde, Frans van Galen
Published in IndoMS-journal on mathematics education (01.01.2013)