Corresponding author: P. A. Beukenkamp © P. A. Beukenkamp, P. S. H. Leeflang. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY-NC-ND 4.0), which permits to copy and distribute the article for non-commercial purposes, provided that the article is not altered or modified and the original author and source are credited.
Citation:
Beukenkamp PA, Leeflang PSH (1988) Het specifieke van direct marketing (1). Maandblad Voor Accountancy en Bedrijfseconomie 62(9): 378-388. https://doi.org/10.5117/mab.62.21559 |