S. R. Sarbini, Z. Muta Harah, S. Ainul Asyira, S. Noorasmah. 2017. “Mineral Content of Five Indigenous Leafy Vegetable from Bintulu Market, Sarawak Malaysia”. Journal of Medicinal Herbs and Ethnomedicine 2 (January):26-35. https://doi.org/10.19071/jmhe.2016.v2.3117.