Tiwari และผู้แต่งคนอื่นๆ. (1999) Child advocacy : an approach to address the "worst form"of street child labour and it's adverse affects in Kathmandu, Nepal. Chulalongkorn University:ม.ป.ท.Tiwari และผู้แต่งคนอื่นๆ. 1999. Child advocacy : an approach to address the "worst form"of street child labour and it's adverse affects in Kathmandu, Nepal. ม.ป.ท.:Chulalongkorn University;Tiwari และผู้แต่งคนอื่นๆ. Child advocacy : an approach to address the "worst form"of street child labour and it's adverse affects in Kathmandu, Nepal. ม.ป.ท.:Chulalongkorn University, 1999. Print.