Constantine Bin Joannes

Laporan PPM K019/2023: Laporan Menghadiri Kursus 'Seminar On Mineral Resources And Technology (Smart)' Di Hotel Grand Riverview, Kota Bharu, Kelantan 28 Ogos 2023 Constantine Bin Joannes - Ipoh Pusat Penyelidikan Mineral, Jabatan Mineral Dan Geosains Malaysia 2023 - 9 p. ill.; some col. 2023