id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
easat-4521	Listiawati, Enny ; Juniati, Dwi ; Ekawati, Rooselyna 	Building an understanding of sketching function derivative graphs through the APOS approach	2025	12	.pdf	application/pdf	6637	308	42	Operational Variables The operational variables of mental structure consist of several indicators: Action refers to students' ability to draw function derivative graphs. ennylistiawati@stkippgri-bkl.ac.id Building an understanding of sketching function derivative graphs through the APOS approach Enny Listiawati1*, Dwi Juniati2, Rooselyna Ekawati3 1,2,3Mathematics Education, Faculty of Mathematics and Natural Science, Universitas Negeri Surabaya, Surabaya, Indonesia; ennylistiawati@stkippgri-bkl.ac.id (E.L.) dwijuniati@unesa.ac.id (D.J.) rooselynaekawati@unesa.ac.id (R.E.) 1Department of Mathematics Education, STKIP PGRI Bangkalan, Bangkalan, Indonesia.	cache/easat-4521.pdf	txt/easat-4521.txt