TY  - JOUR
AU  - Milosav M. Marjanović
AU  - Zoran Kadelburg
TI  - Structuring systems of natural, positive rational, and rational numbers
JO  - The Teaching of Mathematics
PY  - 2019
SP  - 1 
VL  - XXII
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TM2_2019_XXII_1_a0/
LA  - en
ID  - TM2_2019_XXII_1_a0
ER  -