Research methodology : strengthening causal interpretations of nonexperimental data : conference proceedings (SuDoc HE 20.6502:R 31/2)
Book Details
PublisherU.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Re
ISBN / ASINB000104KJG
ISBN-13978B000104KJ7
MarketplaceUnited States 🇺🇸


