Sabil, Hizami, Universitas Muhammadiyah Sumatera Utara, Indonesia

• Vol 1, No 1 (2024) - Articles
  Observatory Development Strategy and Program
  Abstract  Download PDF Here
• INSIS 6 (February 2024) - Articles
  DEVELOPING STUDENT ASTRONOMY MATEMATICS BOOKS USING 4D MODELS (DEFINE, DESIGN, DEVELOP, DISSEMINATE)
  Abstract  PDF