http://repository.uhamka.ac.id/id/eprint/17132/
An Analysis of Students’ Problem Solving Skills in Reproductive System
Budhi, Akbar
http://repository.uhamka.ac.id/id/eprint/17132/1/An%20Analysis%20of%20Students%27%20Problem%20Solving%20Skills%20in%20Reproductive%20System.pdf