Pradhan และ Harihar. (1993) A study on the determinants of fertility in Nepal. Mahidol University,:ม.ป.ท.Pradhan และ Harihar. 1993. A study on the determinants of fertility in Nepal. ม.ป.ท.:Mahidol University,;Pradhan และ Harihar. A study on the determinants of fertility in Nepal. ม.ป.ท.:Mahidol University, 1993. Print.