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  1. Event: The 2nd International Conference on Mathematics: Education, Theory, and Application (ICMETA), 30-31 October 2018, Solo, Indonesia.
    Title: “Recent Developments of Mathematical Model for Malaria Transmission.”

  2. Event: The 16th International Conference of the Biometrics Special Interest Group, 20-22 September 2017, Darmstadt, Germany.
    Title: “Pool Adjacent Violators Based Biometric Rank Level Fusion.”

  3. Event: European Biometrics Research and Industry Awards, 20 September 2017, Darmstadt, Germany.
    Title: “A Non-standard Method on Biometric Score Level Fusion via Parametric Copula.”

  4. Event: The International Conference On Mathematics and Natural Sciences (IConMNS 2017), 6-7 September 2017, Bali, Indonesia.
    Title: “Joint Bayesian Face Recognition by Random Effect Model.”

  5. Event: The International Conference And Workshop On Mathematical Analysis And its Application (ICWOMAA 2017), 2-3 August 2017, Malang, Indonesia.
    Title: “A Derivation of the Cramer-Rao Lower Bound of Euclidean Parameters under Equality Constraints via Score Function.”

  6. Event: The IEEE Eighth International Conference on Biometrics: Theory, Applications, and Systems (BTAS 2016), 6-9 September 2016, Buffalo, New York (USA).
    Title: “Fixed FAR correction factor of score level fusion.”

  7. Event: The 9th IAPR International Conference on Biometrics, 13-16 June 2016, Halmstad, Sweden.
    Title: “Two-step calibration method for multi-algorithm score-based face recognition systems by minimizing discrimination loss.”

  8. Event: The 36th WIC Symposium on Information Theory in the Benelux, 6-7 May 2015, Brussels. pp. 26-33. Université Libre de Bruxelles, Belgium.
    Title: “Semiparametric score level fusion: Gaussian copula approach.”

  9. Event: European Meeting of Statisticians, 6-10 July 2015, Amsterdam, The Netherlands.
    Title: “Efficient Estimation of Constrained Euclidean Parameters.”


  1. Invited Speaker)
    Nama Kegiatan: Seminar Nasional ONMIPA 2019, Universitas Muslim Indonesia Makassar, 28 April 2019.
    Judul: ”Hilirisasi Matematika: Mengakarkan Konsep dan Menjulangkan Aplikasi dalam Era Revolusi Industri 4.0.”

  2. (Invited Speaker)
    Nama Kegiatan: Seminar Nasional Pendididikan Matematika Universitas Ahmad Dahlan 2018, Universitas Ahmad Dahlan Yogyakarta, 3 November 2018.
    Judul: “Olimpiade Matematika: Jalan Senyap Mendinginkan HOT-nya HOTS.”

  3. (Invited Speaker)
    Nama Kegiatan: Seminar Nasional Matematika dan Pendidikan Matematika 2018, Muhammadiyah Purworejo, 12 Mei 2018.
    Judul: “RINGAN BERISI (teoRI bilaNGAN, pemBElajaRan, posisI, dan aplikaSI).”

  4. (Invited Speaker)
    Nama Kegiatan: Seminar Nasional Olimpiade dan Penelitian Matematika 2017, Universitas Negeri Malang, 21 Oktober 2017.
    Judul: “Penelitian Matematika-Ranah pengembangan penelitian di bidang Matematika.”