Elff, Martin Data management in R: A guide for social scientists - London Sage Publications 2021 - xii, 257 p. 4124 13/10/2021 APD21/1128569 13/10/2021 IMSAR (Dev. & Research) ISBN: GBP 29.99 (RS 3079.97) Dewey Class. No.: 300.285555 E29D