This application dedicated for amateur and professional in oil and gas industry.
We provide many tools and e-learning video integrated in one application. Your feedback are welcome to improve this application.
Karya Anak Duri Bro !!!
Fixed Bug and fix unit converter calculation
9Apps 4.9
![국세청 홈택스 [손택스] on 9Apps](https://go.getnew.app/sg/res/jpg/f7/df/69cc2f90120ec331db2630e0f5b6-6dh.jpg?x-oss-process=style/jmq200)
