Istikomah, E.; Abdurrahman Abdurrahman; Nurvani Yulia Dewi; Sevilla Atita Azzahra. DESCRIPTION OF THE EXPERTISE OF MATHEMATICS EDUCATION LECTURERS AT RIAU ISLAMIC UNIVERSITY BASED ON PUBLICATION WORKS: SYSTEMATIC LITERATURE REVIEW: Mathematical Errors; Story Problems; Relationships; Polya Stages. MREJ 2025, 9, 27-41.