“…Rij= WA03 WA13 Ai Bj (5) where i=1~8 , j=1~9; Ai (i=1, 2, 3, 4, 5, 6, 7, 8) corresponds to "control means" WB02, WB03, WB04, WB05, WB06, WB07, WB08, WB09, respectively; Bj (j=1, 2,3,4,5,6,7,8,9) corresponds to "control purpose" MT02, MT03, MT04, MT05, MT07, MT08, MT11, MT13, MT14, respectively. As an example of i=6 and j=4, the number of laidopen publication, R 64 , is 15 as shown in Table 5.…”