TY - JOUR AU - Vahedi, Maryam AU - Rahbar, Zainab AU - Khasht Zar, hadis TI - Analysis of the content of Persian books in the second half of the elementary school (fourth grade) based on Guilford's creativity factors JO - Environmental sciences and geography knowledge VL - 1 IS - 2 SP - EP - PY - 2021 DO - ER -