NutthapornnitchakulS., SonjaroonW., PutthisawongN., ThumthuanN., TasanasuwanP. and JantasuriyaratC. 2024. Effect of Drought Stress on Proline Gene Expression, Enzyme Activity, and Physiological Responses in Thai Mulberry (Morus spp.). HAYATI Journal of Biosciences. 31, 3 (Feb. 2024), 559-571. DOI:https://doi.org/10.4308/hjb.31.3.559-571.