ÜNAL, H. Et Al. 2010. The effect of private tutoring on performance in mathematics in Turkey: A comparison across occupational types. 2nd World Conference on Educational Sciences (WCES-2010) , (İstanbul, Turkey), 5512-5517.

ÜNAL, H., ÖZKAN, E. M., MILTON, S., PRICE, K., & CURVA, F., (2010). The effect of private tutoring on performance in mathematics in Turkey: A comparison across occupational types . 2nd World Conference on Educational Sciences (WCES-2010) (pp.5512-5517). İstanbul, Turkey

ÜNAL, Hasan Et Al. "The effect of private tutoring on performance in mathematics in Turkey: A comparison across occupational types," 2nd World Conference on Educational Sciences (WCES-2010), İstanbul, Turkey, 2010

ÜNAL, Hasan Et Al. "The effect of private tutoring on performance in mathematics in Turkey: A comparison across occupational types." 2nd World Conference on Educational Sciences (WCES-2010) , İstanbul, Turkey, pp.5512-5517, 2010

ÜNAL, H. Et Al. (2010) . "The effect of private tutoring on performance in mathematics in Turkey: A comparison across occupational types." 2nd World Conference on Educational Sciences (WCES-2010) , İstanbul, Turkey, pp.5512-5517.

@conferencepaper{conferencepaper, author={Hasan ÜNAL Et Al. }, title={The effect of private tutoring on performance in mathematics in Turkey: A comparison across occupational types}, congress name={2nd World Conference on Educational Sciences (WCES-2010)}, city={İstanbul}, country={Turkey}, year={2010}, pages={5512-5517} }