TY - JOUR ID - TI - study the adsorpation of lignin on surface of poly vinyl chloride AU - Zainab naeif majeed PY - 2014 VL - 20 IS - 82 / علمي SP - 1 EP - 3 JO - journal of the college of basic education مجلة كلية التربية الاساسية SN - 18157467 27068536 AB -

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