... he thdng trong qud trinh phdn tich. Ngudi thyc hien hogt ddng phdn tfeh ngdn ngu cdn trdnh ldi phdn chia nhdy vgt, edeh qudng md phdi tiln hdnh phdn tfeh tung yeu to ngdn ngiJ trong he ... duge cdc yeu edu sou: 1) NL phdi cd tinh khoa hgc, nghTa Id phdi chua dung cdc dge trung, ede ndi dung edn phdn tfeh mdt edeh rd rdng, khdng ndm trong trudng hgp ngogi le de ngudi hge de ... thuylt it. Bdi, khi duo ra phdn tich HS khd Tap chi Giao due s6 241 (ki i • y/aoioi bao qudt, theo ddi mdu; GV cung mdt nhilu thdi gian khdng cdn thiet. GV khdng nen vdn dyng quan dilm...