Dhungana และผู้แต่งคนอื่นๆ. 1996. Comparative study on socio-economic factors influencing breast-feeding duration in Sri Lanka and Thailand. Faculty of Graduate Studies, Mahidol University;
Dhungana และผู้แต่งคนอื่นๆ. (1996) Comparative study on socio-economic factors influencing breast-feeding duration in Sri Lanka and Thailand . Mahidol University/Bangkok.
Dhungana และผู้แต่งคนอื่นๆ. Comparative study on socio-economic factors influencing breast-feeding duration in Sri Lanka and Thailand. . Bangkok:Mahidol University, 1996.
Dhungana และผู้แต่งคนอื่นๆ. (1996) Comparative study on socio-economic factors influencing breast-feeding duration in Sri Lanka and Thailand . Mahidol University/Bangkok.