Teknik penyungkupan lada perdu bertapak di persemaiam untuk menghasilkan benih yang optimal
 Artikel Jurnal
Cultural heritage in the European Union : a critical inquiry into law and policy
edited by, Andrzej Jakubowski, Kristin Hausler, Francesca Fiorentini
Brill Nijhoff, 2019
 Buku Teks
Interregionalism and the European Union : a post-revisionist approach to Europe's place in a changing world
Mario Telò, Louise Fawcett, Frederik Ponjaert.
Routledge, 2015
 Buku Teks
Chevallier, Julien, author
Econometric analysis of carbon markets: the European Union emissions trading scheme and the clean development mechanism
Springer, 2012
 eBooks
Jimly Asshiddiqie, 1956-, author
Konstitusi Uni Eropa dan masa depannya
2007
 Artikel Jurnal