TY - BOOK TI - Buletin Geospatial Sektor Awam: Geospatial & Imunisasi COVID-19 SN - 1823-7762 U1 - 910.28505 BGSA 2021 PY - 2021/// CY - Putrajaya PB - Kementerian Tenaga dan Sumber Asli ER -