Yokthan Ofier Siki and Shafira Kurnia (2019) Buccal Frenectomy as a Pre-prosthetic Periodontal Surgical Procedure: A Case Report. In: Proceeding The 4th Periodontic Seminar (Perios4). Program Pendidikan Dokter Gigi Spesialis Periodonsia FKG Unair, Hotel Bumi Surabaya, pp. 43-46. ISBN 978-602-73529-2-6

Yokthan Ofier Siki (2019) Ekspresi Opg Dan Rankl Pada Pemberian Kolagen Sisik Ikan Gurami (Osphronemus Gouramy) Studi Hewan Coba Tikus Wistar (Rattus Norvegicus). Thesis thesis, UNIVERSITAS AIRLANGGA.