Nur Afrina Qistina, A. H., & Zulhabri, I. (2017). Environmental pollution and existing regulations: A review analysis / Nur Afrina Qistina Ahmad Halmi and Zulhabri Ismail. Universiti Teknologi MARA, Perak.
Chicago Style (17. basım) AtıfNur Afrina Qistina, Ahmad Halmi, ve Ismail Zulhabri. Environmental Pollution and Existing Regulations: A Review Analysis / Nur Afrina Qistina Ahmad Halmi and Zulhabri Ismail. Universiti Teknologi MARA, Perak, 2017.
MLA (9th ed.) AtıfNur Afrina Qistina, Ahmad Halmi, ve Ismail Zulhabri. Environmental Pollution and Existing Regulations: A Review Analysis / Nur Afrina Qistina Ahmad Halmi and Zulhabri Ismail. Universiti Teknologi MARA, Perak, 2017.
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