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=020  ##$$a 978-623-176-043-2
=082  ##$$a 333.7
=084  ##$$a 333.7 DYA b
=100   #$$a Dyanasari
=245  1#$$a BUKU AJAR EKONOMI LINGKUNGAN /$c Dyanasari, Octaviana Helbawanti, dll
=250  ##$$a cet. 1
=260  ##$$a Sumatra Barat :$b Mitra Cendekia Media,$c 2022
=300  ##$$a viii, 236 hlm : $b ilustrasi ; $c 23 cm
=650  #4$$a Ekonomi
=700   #$$a Octaviana Helbawanti