ABEYKOON, ATPL2011-02-142011-02-1419871987ABEYKOON, ATPL, Differentials in fertility and contraceptive behavior in Sri Lanka: the ethno-religious factor, University of Colombo UC(ML), 1987: p.http://imsear.searo.who.int/handle/123456789/129613Dissertation: PhD, University of Colombo: UC(ML), 1987.en-USUniversity of Colombo, UC(ML): Sri Lanka HELLIS NetworkContraceptionDifferentials in fertility and contraceptive behavior in Sri Lanka: the ethno-religious factorThesis