(2011). Service tracking survey 2011. Ministry of Health and Population.
Dyfyniad Arddull ChicagoService Tracking Survey 2011. Kathmandu: Ministry of Health and Population, 2011.
Dyfyniad MLAService Tracking Survey 2011. Ministry of Health and Population, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.