Azimi, F. , Ghorbanalipoor, M. and Farid, A. (2014). The effectiveness of teaching problem-solving skills in achievement motivation and happiness of girl students in high school in Khoy City in the academic year of 1391-1392. Research in Teaching, 1(2), 35-42.

Azimi, F. , , Ghorbanalipoor, M. , and Farid, A. . "The effectiveness of teaching problem-solving skills in achievement motivation and happiness of girl students in high school in Khoy City in the academic year of 1391-1392", Research in Teaching, 1, 2, 2014, 35-42.

Azimi, F., Ghorbanalipoor, M., Farid, A. (2014). 'The effectiveness of teaching problem-solving skills in achievement motivation and happiness of girl students in high school in Khoy City in the academic year of 1391-1392', Research in Teaching, 1(2), pp. 35-42.

F. Azimi , M. Ghorbanalipoor and A. Farid, "The effectiveness of teaching problem-solving skills in achievement motivation and happiness of girl students in high school in Khoy City in the academic year of 1391-1392," Research in Teaching, 1 2 (2014): 35-42,

Azimi, F., Ghorbanalipoor, M., Farid, A. The effectiveness of teaching problem-solving skills in achievement motivation and happiness of girl students in high school in Khoy City in the academic year of 1391-1392. Research in Teaching, 2014; 1(2): 35-42.