.245
a	Toba
b	: Seri Kaldera Nusantara
h	Buku-Bacaan Pendukung
.020
a	9786029105827
.250
a	Pertama
.100
a	RATDOMOPURBO, A.
.005
a	20220624085833
.260
a	Jakarta
b	Badan Geologi
c	2019
.041
a	Indonesia
.084
a	550 RAT t 2021/13
.300
a	vi, 105 halaman : gambar, tabel
b	25 cm
c	vi, 105 halaman : gambar, tabel ; 25 cm
.336
a	Buku-Bacaan Pendukung