Suryati Mohd, Khamsah, Nor Elani Mat Nafi, Ammira Shafiqha Abdul Khadar, Ainur Awanis Mohd Badiazaman, and Aulia Rani Annisava. “Propolis: Traditional Uses, Phytochemical Composition and Pharmacological Properties”. International Journal of Engineering & Technology 7, no. 4.43 (December 29, 2018): 78–82. Accessed July 18, 2024. https://sciencepubco.com/index.php/ijet/article/view/25823.