BOUDSIT, O., MANOSANE, A., HIPHATPHON, S., PHOMMANITH, K., PHETHSOMBATH, S., VATHANAVONG, T., THIPPHAPONE, K., VONGSIPASEUTH, B., KONEPACHITH, D. and HOUNVILAY, B. 2026. Mathematical Problem-Solving Ability on Arithmetic and Geometric Sequences Using Skill Exercises Combined with SSCS Problem-Solving Model for grade 12 students. Souphanouvong University Journal Multidisciplinary Research and Development . 11, Special Issue (Jan. 2026), 08–16. DOI:https://doi.org/10.69692/SUJMRD11Special08.