Lenuta, D., Tifrea, C. Julkaisussa Science, Movement & Health (2021) “...Tifrea, C....”
Serban, C., Tifrea, C. Julkaistu 2016 “...Tifrea, C....”
Serban, C., Tifrea, C. Julkaisussa 13th International Scientific Conference eLearning and Software for Education Bucharest, April 27-28, 2017 (2017) “...Tifrea, C....”
Costache, R. M., Tifrea, C. Julkaisussa Logos (2015) “...Tifrea, C....”
Tifrea, C., Cristea-Mic, N., Coistea, L. M. Julkaisussa SEA - Practical Application of Science (2019) “...Tifrea, C....”