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41
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42
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43
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44
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45
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46
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47
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48
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49
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52
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54
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55por Mollin, Richard A., 1947-“...Discrete mathematics and its applications...”
Publicado 2005
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56Publicado 1995“...Discrete mathematics and its applications...”
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57por Cheng, S. S. (Sui Sun)“...Advances in discrete mathematics and applications ;...”
Publicado 2003
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58
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59
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60