Nhan Kiet Tran*, Ngoc Minh Thu Trinh. “Multi-Stage Drying Processes in Clitoria ternatea Flower Extracts: A Method to Intensify Anthocyanins for Botanical Dye Production”. Vietnam Journal of Science, Technology and Engineering, vol. 67, no. 4, Dec. 2025, doi:10.31276/VJSTE.2024.0123.