International Association of Educators   |  ISSN: 2834-7919   |  e-ISSN: 1554-5210

International Journal of Progressive Education 2020, Vol. 16(6) 136-150

Determining the Qualifications of the Secondary School Students in the Field of Quadrilaterals: A Scale Development Study

Serhan Ulusan, Duygu Dinamit & Gökhan Aksu