1. A DECISION SUPPORT SYSTEM FOR A FOOD COMPANY. Authors: NATALIA ROŞCA, ALIN ROŞCA.2. SOME CONSIDERATIONS UPON A STOCK LEVEL PROBLEM. Authors: ALIN ROŞCA, NATALIA ROŞCA.3. MONTE CARLO METHODS FOR SYSTEMS OF LINEAR EQUATIONS. Authors: NATALIA ROŞCA.4. A NEW MONTE CARLO ESTIMATOR FOR SYSTEMS OF LINEAR EQUATIONS. Authors: NATALIA ROŞCA.5. GENERATION OF NON-UNIFORM LOW-DISCREPANCY SEQUENCES IN QUASIMONTE CARLO INTEGRATION. Authors: NATALIA ROŞCA.6. A COMBINED MONTE CARLO AND QUASI-MONTE CARLO METHOD FOR ESTIMATING MULTIDIMENSIONAL INTEGRALS. Authors: NATALIA ROŞCA.