<https://marjinkiri.com/product/rosa-luxemburg-buku-1/#product>
<http://schema.org/description>
"Dede Mulyanto\r\n \tPengantar: Ted Sprague\r\n \t\r\nxx + 253 hlm, 14 x 20,3 cm\r\n \t\r\nISBN: 978-979-1260-93-0"
<https://marjinkiri.com/product/rosa-luxemburg-buku-1/>