6.7.2 ื—ื•ืœืฆื•ืช ื˜ื™ ืฆื”ื•ื‘ื•ืช ืœื’ื‘ืจื™ื | ื—ื•ืœืฆื•ืช ื‘ืžื™ื“ื•ืช M ื•-L | NEXT ื™ืฉืจืืœ
ืœืงื•ืคื”

ื—ื•ืœืฆื•ืช ื˜ื™ ืฆื”ื•ื‘ื•ืช ืœื’ื‘ืจื™ื

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ืื™ืคื•ืก ื›ืœ ื”ืžืกื ื ื™ื