Development and evaluation of classification of chemical calculations at basic and secondary levels of chemistry education

TOMINA, Livija - KRUMINA, Aira. Development and evaluation of classification of chemical calculations at basic and secondary levels of chemistry education. In Výzkum, teorie a praxe v didaktice chemie XIX. Vyd. 1. 600 s. ISBN 978-80-7041-827-7 (brož.) Mezinárodní seminář o výuce chemie. Hradec Králové : Gaudeamus, 2009, s. 275-288 : 3 tab., il.