Piyapa Sirivedin. 1998. A comparison of the effect of using traditional printed texts and multimedia CD-ROMs on reading comprehension of Thai mattayom 3 students. Bangkok:National Institute of Development Administration;
Piyapa Sirivedin. (1998) A comparison of the effect of using traditional printed texts and multimedia CD-ROMs on reading comprehension of Thai mattayom 3 students (รายงานผลงานวิจัย). National Institute of Development Administration:Bangkok.
Piyapa Sirivedin. A comparison of the effect of using traditional printed texts and multimedia CD-ROMs on reading comprehension of Thai mattayom 3 students. Bangkok:National Institute of Development Administration, 1998.
Piyapa Sirivedin. (1998) A comparison of the effect of using traditional printed texts and multimedia CD-ROMs on reading comprehension of Thai mattayom 3 students (รายงานผลงานวิจัย). National Institute of Development Administration:Bangkok.