@article{TM2_2022_XXV_1_a0,
     author = {Aleksandar Bala\v{s}ev-Samarski and Manuela Muzika Dizdarevi\'c and Selma Zekovi\'c},
     title = {Geometry understanding assessment based on van {Hiele} theory using comparative judgment},
     journal = {The Teaching of Mathematics},
     pages = {1 },
     publisher = {mathdoc},
     volume = {XXV},
     number = {1},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM2_2022_XXV_1_a0/}
}