Roman Duda. "Principle of parallelism in didactics." Didactica Mathematicae 1.01 (1982): null. <http://eudml.org/doc/295321>.
@article{RomanDuda1982, author = {Roman Duda}, journal = {Didactica Mathematicae}, keywords = {}, language = {pol}, number = {01}, pages = {null}, title = {Principle of parallelism in didactics}, url = {http://eudml.org/doc/295321}, volume = {1}, year = {1982}, }
TY - JOUR AU - Roman Duda TI - Principle of parallelism in didactics JO - Didactica Mathematicae PY - 1982 VL - 1 IS - 01 SP - null LA - pol KW - UR - http://eudml.org/doc/295321 ER -