“DEVELOPING THEIR EXPERIMENTAL COMPETENCE BY TEACHING STUDENTS HOW TO MAKE OBJECTS OF ALL THREE DIMENSIONS IN A 3D PEN” (2023) Academicia Globe: Inderscience Research, 4(11), pp. 43–46. Available at: https://agir.academiascience.org/index.php/agir/article/view/1443 (Accessed: 31 January 2026).