Siregar, Naek (2021) Kebijakan Insentif Pajak Impor Terhadap Pemulihan Ekonomi Nasional Di Masa Pandemi Covid – 19. In: Seminar nasional dan call for papers " undang-undang cipta kerja dan peran BUMN dalam akselerasi Pemulihan Ekonomi Naional, 25 Mei 2021, Fakultas Hukum Unila/ Zoom Meeting. (Unpublished)

Al Rasyid, Syawalluddin and Siregar, Naek and Rehulina, Rehulina (2020) Determination of Child Personal Status for Protection towards International Child Adoption According to Private International Law. In: 1st Universitas Lampung International Conference on Science and Technology 2020, 18-19 November 2020, LP2M Universitas Lampung, Bandar Lampung.

Siregar, Naek (2019) Air Rage Arrangement Between the United Kingdom and Indonesia Based on the Tokyo Convention 1963. Fiat Justisia, 13 (1). pp. 19-30. ISSN 1978-5186

Siregar, Naek (2018) Suksesi Negara dalam Hukum Internasional. [Video]

Siregar, Naek and Natamiharja, Rudi (2018) Penyelundupan Hukum dalam Hukum Perdata Internasional. [Video]

Siregar, Naek and Tahar, Abdul Muthalib (2018) THE STUDY OF THE RELATIONSHIP BETWEEN THE UN SECURITY COUNCIL AND THE INTERNATIONAL CRIMINAL COURT IN THE PROSECUTION OF INTERNATIONAL CRIME. In: ICLEH 2018, 29-30 Januari 2018, SEMARANG.

Siregar, Naek and Natamiharja, Rudi (2018) penyelun. [Video]

Siregar, Naek (2017) Implementasi ASEAN-RRT Declaration on the Conduct of Parties in the South Cina Sea (DOC) dalam Sengketa Laut China Selatan. In: simposium Nasional Asosiasi Pengajar Hukum Internasional, 7-8 September 2017, Bukit Tinggi, Padang, Sumatra Barat. (Submitted)

Churul Aini, Desy and Siregar, Naek (2016) Identifkasi Ketentuan Internasional tentang Pencemaran di Wilayah Perairan. In: Proseding Penelitian Bagian Hukum Internasional. Fakultas Hukum Universitas Lampung, pp. 1-42. ISBN 978-602-61528-0-0

Siregar, Naek and Syofyan, Ahmad (2014) Perlindungan Hak Pekerja Migran Dalam Hukum Internasional Dan Implementasinya Di Indonesia. In: Dimensi Hukum Internasional. Pusat Kajian Konstitusi dan Peraturan Perundang-undangan (PKKPUU) & Bagian Hukum Internasional Fakultas Hukum Universitas Lampung, Bandar Lampung. ISBN 978-602-1245-17-0

Rehulina, Rehulina and Zunnureni, Zunnureni and Melly Aida, Melly Aida and Siregar, Naek and Putri, Ria Wierma and yunita maya putri, yunita maya putri Hukum Perdata Internasional. Suluh Media.