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Yuniati Y, Azmi DD, Nurandriea E, Qadariyah L, Mahfud. Parametric Study and Characterization of Sappan Wood (Caesalpinia Sappan Linn) Natural Red Colorant Extract with Ultrasonic Assisted Extraction Method. ASEAN J. Chem. Eng. [Internet]. 2023Jun.30 [cited 2024Nov.24];23(1):103-12. Available from: https://journal.ugm.ac.id/v3/AJChE/article/view/9276