Yulianawati, D., Hasanah, L. dan Samsudin, A. 2019. Pengembangan Hydraulic System Conceptual Test (HySCT) Berformat Three Tier Test. Jurnal Pendidikan Fisika dan Sains (JPFS). 2, 2 (Sep 2019), 80-85. DOI:https://doi.org/10.52188/jpfs.v2i2.73.