{{cite web
After 1806 Matrak was forbidden by the Sultan II. Mahmud in all Ottoman lands. in 2008 Matrak was refounded by Efkan CALIS as a new sport.
|url=https://www.academia.edu/480968/The_Ottoman_Palace_School_Enderun_and_the_Man_with_Multiple_Talents_Matrakci_Nasuh |title= The Ottoman Palace School Enderun and the Man with Multiple Talents, Matrakçı Nasuh, p. 23 |author1=Corlu, M. Sencer |author2=Burlbaw, Lynn, M. |author3=Capraro, Robert M |author4=Corlu, M. Ali |author5=Han, Sunyoung. |lastauthoramp=yes |date=|work=Journal of the Korea Society of Mathematical Education Series D: Research in Mathematical Education Vol. 14, No. 1, March 2010, 19–31 |publisher=Texas A&M University, College Station, Texas 77843, USA |accessdate=5 January 2013}}
Begić, Munevera; Zorlak, Alma; Ganić, Amir (). „The influence of different quantities of the added NaCl on the sensory properties of "Visočka pečenica"”. Meso : Prvi Hrvatski časopis O Mesu (în croată). XX (1): 50–57. doi:10.31727/m.20.1.3. ISSN1332-0025.
Begić, Munevera; Zorlak, Alma; Ganić, Amir (). „The influence of different quantities of the added NaCl on the sensory properties of "Visočka pečenica"”. Meso : Prvi Hrvatski časopis O Mesu (în croată). XX (1): 50–57. doi:10.31727/m.20.1.3. ISSN1332-0025.