Harapan, Biyan Nathanael; Stöcklein, Veit M.; Zimmermann, Hanna; Ruf, Viktoria; Herms, Jochen; Ringel, Florian; Schmutzer-Sondergeld, Michael (2025): Solitary plasmacytoma of the skull compressing the superior sagittal sinus: Case report and literature review. Brain and Spine, 5: 105857. ISSN 27725294

Harapan, Biyan Nathanael; Harapan, Triswan; Theodora, Lenny; Anantama, Nadia Ayurini (2023): From Archipelago to Pandemic Battleground: Unveiling Indonesia’s COVID-19 Crisis. Journal of Epidemiology and Global Health. ISSN 2210-6014