P. Minthayak and N. Ongartvanit, “Development the Achievement of Critical Reading Comprehension by Learning to Read with a 6-Steps Ladder Technique Together with Online Exercises on the Platform Liveworksheets Grade 2 Secondary Education School Students”, Humanities and Social Sciences Nakhonsawan Rajabhat University Academic Journal, vol. 10, no. 1, pp. 27–40, Jun. 2023.