1.
Bērtule D, Namsone D. COGNITIVE DEPTH OF TEACHING AND LEARNING PROCESS IN BIOLOGY FROM 7TH TILL 9TH GRADE. SIE [Internet]. 2018 May 25 [cited 2024 Nov. 15];2:54-62. Available from: https://journals23.rta.lv/index.php/SIE/article/view/3224