Quality Test of Soil Transmitted Helminth Eggs Using Natural Dye Extracted from Teak Leaves (Tectona grandis) at Concentrations of 40%, 60%, 80%, and 100% as an Alternative Dye in the Sedimentation Method. Jar. Lab. Med. 2024;6(2):86-92. doi:10.31983/jlm.v6i2.11625