HAKI: Contribution to the Development of Education Learning Design Christians and Budi Pekerti Based on Curriculum 2013 at Private School in the City of Ambon - Christiana Demaja Wilhelmina Sahertian
HAKI: Christiana Demaja Wilhelmina Sahertian, Strategi Peningkatan Keterampilan Belajar PTK melalui Penerapan Model Assure, Batu: Literasi Nusantara, 2021.
HAKI: Identification of Reproductive Health Learning Needs for Adolescent Age 13-15 Years by Parents in the GPM Ebenhaezer Congregation - Christiana Demaja Wilhelmina Sahertian.
Novita Loma Sahertian and Benjamin Metekohy, BAHAN AJAR, MOTIVASI, DAN HASIL BELAJAR dilengkapi dengan Contoh Bahan Ajar Jerrold E. Kemp dan Tradisional, Batu: CV. Literasi Nusantara Abadi, Editor: Christiana Demaja Wilhelmina Sahertian, 2021.