Referensi
- Tetragonula SP, https://istanaklanceng.wordpress.com/2017/08/28/tetragonula-sp/
- Tetragonula, http://v3.boldsystems.org/index.php/TaxBrowser_Taxonpage?taxid=180615
- Selection of propolis Tetragonula sp. extract solvent with flavonoids and polyphenols concentration and antioxidant activity parameters, https://aip.scitation.org/doi/10.1063/1.5023967