RT Journal Article SR Electronic(1) A1 Flecken, MoniqueYR 2015 T1 Dutch in progression JF Nederlandse Taalkunde, VO 20 IS 2 SP 248 OP 252 DO https://doi.org/10.5117/NEDTAA2015.2.FLEC PB Amsterdam University Press, SN 2352-1171, AB , UL https://www.aup-online.com/content/journals/10.5117/NEDTAA2015.2.FLEC