Wongsaya, Eakarach, and Saowanee Nakmareong. “Walking distance improvements in chronic obstructive pulmonary disease patients after home-based daily respiratory muscle training: A pilot study”. Asia-Pacific Journal of Science and Technology 29, no. 05 (September 11, 2024): APST–29. accessed January 6, 2026. https://so01.tci-thaijo.org/index.php/APST/article/view/267553.