H. setiawan Gulo, T. M. Gulo, C. D. Hura, M. Halawa, and N. K. Lase, “Learning Motivation and Biology Achievement Among 11th-Grade Students: An Analysis of Strengths and Weaknesses at SMA Negeri 1 Idanogawo”, GB, vol. 4, no. 1, pp. 58–65, Jun. 2026.