Authors: Barnett, DW Pepiton, AE Bell, SH Gilkey, CM Smith, JJ Stone, CM Nelson, KI Maples, KA Helenbrook, K Vogel, LH

Citation: Dw. Barnett et al., Evaluating early intervention: Accountability methods for service deliveryinnovations, J SPEC EDUC, 33(3), 1999, pp. 177-188