];
$bookstoreList = [
- 'Aladin.co.kr' => 'http://www.aladin.co.kr/catalog/book.asp?ISBN=$1',
+ 'Aladin.co.kr' => 'https://www.aladin.co.kr/catalog/book.asp?ISBN=$1',
+ 'National Library of Korea' => 'http://www.nl.go.kr/search/web_search/search/list.php?search_field1=all&tmode=1&value1=$1',
+ 'Naver' => 'https://book.naver.com/search/search.nhn?query=$1',
'inherit' => true,
];