Yuniati, Y., Azmi, D. D., Nurandriea, E., Qadariyah, L. and Mahfud (2023) “Parametric Study and Characterization of Sappan Wood (Caesalpinia Sappan Linn) Natural Red Colorant Extract with Ultrasonic Assisted Extraction Method”, ASEAN Journal of Chemical Engineering, 23(1), pp. 103-112. Available at: https://jurnal.ugm.ac.id/v3/AJChE/article/view/9276 (Accessed: 22November2024).