@book
{TN_libero_mab2,
author = {
Gopal, M. H.
},
title = {
An introduction to research procedure in social sciences
},
publisher = {Asia Publ. House},
keywords = {
Sozialwissenschaften
,
Forschungsmethode
},
year = {1964},
address = {
London
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}