TY - JOUR PY - 1991 SN - T1 - Improvement of planning approaches as applied to evolving market environments JO - PLANNING THEORY DA - 1/1/0001 12:00:00 AM DO - UR - http://www.francoangeli.it/Riviste/Scheda_rivista.aspx?idArticolo=5209 AU - Mukhhanova, E. IS - 5-6 VL - LA - IT AB - PB - FrancoAngeli ER -