Langingi, J.
(2010).
 Kawasan Pabrik dan Dampak Lingkungan Kotamadya Bitung.
<em>JBE (Journal Of Business And Economics), </em>, 192-199.
Retrieved from <a href="https://ejournal.unklab.ac.id/index.php/jbe/article/view/111" target="_new">https://ejournal.unklab.ac.id/index.php/jbe/article/view/111</a>