Yasar, S. And Cogenli, A. G. 2013. Determining Validity and Reliability of Data Gathering Instruments Used By Program Evaluation Studies in Turkey. 3rd World Conference on Educational Technology Researches (WCETR) , (Antalya, Turkey), 504-509.

Yasar, S., & Cogenli, A. G., (2013). Determining Validity and Reliability of Data Gathering Instruments Used By Program Evaluation Studies in Turkey . 3rd World Conference on Educational Technology Researches (WCETR) (pp.504-509). Antalya, Turkey

Yasar, Sefik, And Asli Gundogan Cogenli. "Determining Validity and Reliability of Data Gathering Instruments Used By Program Evaluation Studies in Turkey," 3rd World Conference on Educational Technology Researches (WCETR), Antalya, Turkey, 2013

Yasar, Sefik And Cogenli, Asli G. . "Determining Validity and Reliability of Data Gathering Instruments Used By Program Evaluation Studies in Turkey." 3rd World Conference on Educational Technology Researches (WCETR) , Antalya, Turkey, pp.504-509, 2013

Yasar, S. And Cogenli, A. G. (2013) . "Determining Validity and Reliability of Data Gathering Instruments Used By Program Evaluation Studies in Turkey." 3rd World Conference on Educational Technology Researches (WCETR) , Antalya, Turkey, pp.504-509.

@conferencepaper{conferencepaper, author={Sefik Yasar And author={Asli Gundogan Cogenli}, title={Determining Validity and Reliability of Data Gathering Instruments Used By Program Evaluation Studies in Turkey}, congress name={3rd World Conference on Educational Technology Researches (WCETR)}, city={Antalya}, country={Turkey}, year={2013}, pages={504-509} }