N. F. Amirah Shafie, A. Yahya, and F. Hamzah, “COMPARISON STUDY OF ESSENTIAL OIL EXTRACTED FROM ETLINGERA ELATIOR (TORCH GINGER) BY USING SOXLET EXTRACTION”, J. Chem. Eng. Ind. Biotechnol., vol. 1, no. 1, pp. 57–63, Oct. 2016, doi: 10.15282/jceib.v1i1.3737.