BOUNYALUCK, Khampheun, Thongthiane VATHANAVONG, and Toulakhone SOULIYA. 2026. “An Effectiveness of the LAOPDR Instructional Method in Chemistry Teaching and Learning Management at Chomphet Secondary School, Luang Prabang Province”. Souphanouvong University Journal Multidisciplinary Research and Development 11 (Special Issue):202-10. https://doi.org/10.69692/SUJMRD11Special202.