Chitwattanakorn, T., Chavasirikultol, N., Kerdngern, N., & Joungtrakul, J. (2024). Investigator Triangulation: A Strategy for Enhancing Trustworthiness in Qualitative Research. Research Community and Social Development Journal, 18(3), 521–532. https://doi.org/10.14456/nrru-rdi.2024.30