Mabruri, Efendi, et al. “PENGARUH UNSUR KE-EMPAT TERHADAP TRANSFORMASI FASA DAN EFEK INGAT BENTUK (SHAPE MEMORY EFECT) PADUAN Ti- Ni-Cu[The Influence of Fourth Element on Phase Transformation and Shape Memory Effect (SME) of Ti-Ni-Cu Alloys]”. Jurnal Metalurgi, vol. 28, no. 1, Apr. 2013, pp. 49-54, doi:10.14203/metalurgi.v28i1.245.