Estimating the Quality of Crowdsourced Translations Based on the Characteristics of Source and Target Words and Participants. - Muhammad Rizal Khaefi; Rajius Idzalika; Imaduddin Amin; Zakiya Pramestri; Pamungkas Jutta; Yulistina Riyadi; George Hodge; Jong Gun Lee (ASONAM, 2018)

Modelling Wealth from Call Detail Records and Survey Data with Machine Learning: Evidence from Papua New Guinea. - Muhammad Rizal Khaefi; Hendrik; Dharani Dhar Burra; Rio Fandi Dianco; Dikara Maitri Pradipta Alkarisya; Muhammad Rheza Muztahid; Annissa Zahara; George Hodge; Rajius Idzalika (IEEE BigData, 2019)

Understanding Aggregate Human Behaviour Changes in Response to a Natural Disaster in Vanuatu via Mobile Network Data Analysis. - Rajius Idzalika; Yulistina Riyadi; Imaduddin Amin; George Hodge; Jong Gun Lee (ISCRAM, 2019)

Who is more ready to get back in shape? - Rajius Idzalika (CoRR, 2020)