Copolymerization of ethylene and isoprene initiated by metallocene catalyst nork Amjad Ali, Muhammad Nadeem, Ahmad Naveed, Jamile Mohammadi Moradian, Syed Najeeb-Uz-Zaman Haider, Shahid Khan, Adnan Murad Bhayo, Jianwei Lu, Rai Nauman Ali, Naushad Ahmad, Fan Zhiqiang, Li Guo

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