Yogatama, Komang, Departemen Lati Mining Operation – Mine Operation & Support, PT Berau Coal (Indonesia)
Yogiristanto, Kuat, Departemen Geologi, PT. Kaltim Prima Coal (Indonesia)
Yolanda, Selvi, Team Leader HSE Pit Operation PT. Borneo Indobara – Kalimantan Selatan (Indonesia)
Yudhistira, Sudesno., Metallurgy Junior Engineer - Unit Bisnis Pertambangan Emas Pongkor PT Antam Tbk (Indonesia)
Yulhendra, Dedi, Prodi Teknik Pertambangan, Universitas Negeri Padang (Indonesia)
Yulianto, Aldino, PT. ANTAM Tbk., Unit Geomin & Technology Development (Indonesia)
Yuristian, Yuristian, HSE Certification and Training Department, PT Berau Coal (Indonesia)
Yuspiar, Indra, Kementerian Energi dan Sumber Daya Mineral Republik Indonesia (Indonesia)
Yusuf, Sukardi, Department Head, Unit Kerja Port & Shipping, PT.Alamjaya Bara Pratama (Indonesia)

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