Firda Luthfiatika Jannah, Neneng Aminah, Surya Amami Pramuditya, Cita Dwi Rosita, and M. Subali Noto. 2024. “Analysis of Learning Obstacles for Junior High School Students in Understanding SPLDV Concepts”. Journal Focus Action of Research Mathematic (Factor M) 6 (2):143-62. https://doi.org/10.30762/f_m.v6i2.1862.