Pathmanathan, Indra Training of trainers for health systems research / Indra Pathmana than and N.I. Nik-Safiah - Ottawa : International Development Research Centre, 1991. - xxviii, 254 p. : ill. ; 28 cm. - Health systems research training series ; v.5 . ISBN: 088936589x Subjects--Topical Terms: Health surveys.--------