Yuning Widiarti Darsono * Corresponding Author Politeknik Perkapalan Negeri Surabaya; Jalan Teknik Kimia Sukolilo, Surabaya 60111
Telp: (031)5947186, Fax : (031)5942887 Indonesia
Adianto Adianto Politeknik Perkapalan Negeri Surabaya; Jalan Teknik Kimia Sukolilo, Surabaya Indonesia
Mirna Apriani Politeknik Perkapalan Negeri Surabaya; Jalan Teknik Kimia Sukolilo, Surabaya Indonesia
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