Apichatwatana, N., Wongwan, S., Jongcharoenkamol, J., Kriangkrai, W. and Rujivipat, S. 2025. Box-Behnken design optimization of the spray-drying process for yield and antioxidant activity of Koklan remedy extract powder. Science, Engineering and Health Studies. 19, (Dec. 2025), 25050018. DOI:https://doi.org/10.69598/sehs.19.25050018.