Ramsri, A., S. Wongjumpa, O. Meephon, O. Chumsena, O. Chaisoongnern, A. Pechsri, A. Pollam, O. Khochantha, A. Authaiphaen, A. Phamin, A. Matloeng, A. Binthaisong, A. Ngasan, A. Jantamala, and A. Phairat. “Effects of Spray Containing Siamese Cassia Bark, Zingiber Cassumunar, Eucalyptus, and Wintergreen Oil on Low Back Pain in Nursing Students”. Mahasarakham Hospital Journal, vol. 23, no. 2, Aug. 2026, pp. 15-33, https://he02.tci-thaijo.org/index.php/MKHJ/article/view/278480.