Thi Quynh Mai, D. ., Thi Bich Dao, P. ., Thai Son, N. ., & Thi Ngoc Tram, N. . (2025). RESEARCH ON DEVELOPING AND GUIDING THE USE OF ASSESSMENT STANDARDS FOR SCIENTIFIC COMPETENCY IN TEACHING NATURAL SCIENCES – ILLUSTRATED THROUGH THE TOPIC OF MATTER AND ITS TRANSFORMATIONS. Journal of Science Educational Science, 70(1A), 29-42. https://doi.org/10.18173/2354-1075.2025-0018