Ramsri, A., Wongjumpa, S., Meephon, O., Chumsena, O., Chaisoongnern, O., Pechsri, A., Pollam, A., Khochantha, O., Authaiphaen, A., Phamin, A., Matloeng, A., Binthaisong, A., Ngasan, A., Jantamala, A., & Phairat, A. (2026). Effects of Spray Containing Siamese Cassia Bark, Zingiber Cassumunar, Eucalyptus, and Wintergreen Oil on Low Back Pain in Nursing Students. Mahasarakham Hospital Journal, 23(2), 15–33. retrieved from https://he02.tci-thaijo.org/index.php/MKHJ/article/view/278480