Bin ich klein? Apakah aku kecil? Kinderbuch Deutsch-Indonesisch (zweisprachig/bilingual) Heftet / 2014 / Tysk
Sou pequena? Apakah aku kecil? Brazilian Portuguese-Indonesian (Bahasa Indonesia): Children's Picture Book (Bilingual Edition) Heftet / 2018 / Portugisisk
Emerging Perspectives and Trends in Innovative Technology for Quality Education 4.0 Proceedings of the 1st International Conference on Innovation in Education and Pedagogy (ICIEP 2019), October 5, 2019, Jakarta, Indonesia Kusmawan, Udan Heftet / 2022 / Engelsk
Emerging Perspectives and Trends in Innovative Technology for Quality Education 4.0 Proceedings of the 1st International Conference on Innovation in Education and Pedagogy (ICIEP 2019), October 5, 2019, Jakarta, Indonesia Kusmawan, Udan Innbundet / 2020 / Engelsk
