Powell Gian Hartono

发表

Georgina Maria Tinungki, Powell Gian Hartono, Jakaria Jakaria, 2021, Proceedings of the 1st International Conference on Mathematics and Mathematics Education (ICMMEd 2020).

Powell Gian Hartono, Agus Budi Hartono, G. M. Tinungki, 2021 .

Powell Gian Hartono, R. Robiyanto, 2023, SN Business & Economics.

Powell Gian Hartono, Agus Budi Hartono, O. Magetsari, 2023, THE PROCEEDINGS OF THE 5TH INTERNATIONAL CONFERENCE ON MARITIME EDUCATION AND TRAINING (The 5th ICMET) 2021.

Jakaria, Powell Gian Hartono, Agus Budi Hartono, 2023, THE PROCEEDINGS OF THE 5TH INTERNATIONAL CONFERENCE ON MARITIME EDUCATION AND TRAINING (The 5th ICMET) 2021.