Rohmah, Aida, 		Mahathir Mukti, Muhammad, 		Fatmah, Restu, AND 		Soro, Slamet.
" Analysis of Student Hots in Solving Open Ended Problems for Functional Derivative Applications" <em>Journal of Medives : Journal of Mathematics Education IKIP Veteran Semarang</em> [Online], Volume 6 Number 2 (31 July 2022)