共 50 条
- [41] MODEL FOR ESTIMATION AND EVALUATION OF PRODUCTION ACTIVITIES EFFICIENCY IN AGRICULTURE TROUGH INFORMATIC SYSTEMS METALURGIA INTERNATIONAL, 2009, 14 : 40 - 45
- [45] Factors influencing the flocculation of colloidal particles by a model anionic polyelectrolyte COLLOIDS SURF. A PHYSICOCHEM. ENG. ASP., 2-3 (229-239):