DEVELOPING THEIR EXPERIMENTAL COMPETENCE BY TEACHING STUDENTS HOW TO MAKE OBJECTS OF ALL THREE DIMENSIONS IN A 3D PEN. Aca. Glo. Ind.Res. [Internet]. 2023 Nov. 22 [cited 2026 Jan. 31];4(11):43-6. Available from: https://agir.academiascience.org/index.php/agir/article/view/1443