TY  - JOUR
AU  - ruhi, mahdiye
AU  - Mahmoodi, Firooz
TI  - Content analysis of elementary Science Textbooks based on Lowery and Leonard (1978) Textbook Questioning Styles Assessment Instrument (TQSAI)
JO  - Research in Curriculum Planning
VL  - 18
IS  - 69
SP  - 186
EP  - 199
PY  - 2021
DO  - 10.30486/jsre.2021.1901042.1654
ER  -