SWU eJournals System- แผนภูมิข้อมูลจำเพาะวัสดุหน้ากากแบบใช้แล้วทิ้ง iir ,The data were analyzed using frequency, percentage, and t-test.The research results were 1) the developed Learning Object was evaluated by the experts at good quality level, 2) the students post-test scores after studying through Learning Object were statistically significant higher than the students pre-test scores at 0.05 level, and 3) the ...Loading ThaiFTA website ...96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 ...



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