Suryati Mohd, Khamsah, Nor Elani Mat Nafi, Ammira Shafiqha Abdul Khadar, Ainur Awanis Mohd Badiazaman, and Aulia Rani Annisava. 2018. “Propolis: Traditional Uses, Phytochemical Composition and Pharmacological Properties”. International Journal of Engineering & Technology 7 (4.43): 78-82. https://doi.org/10.14419/ijet.v7i4.43.25823.