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Analisis Lingkungan Sekitar Tambang Nikel Terhadap Kualitas Ternak Sapi Pedaging di Kabupaten Halamahera Timur. JIPTHP [Internet]. 2016 Jan. 3 [cited 2026 May 15];3(1):59-64. Available from: https://journal.ipb.ac.id/ipthp/article/view/10815