Note: the Wikipedia article on the Belarusian Arabic alphabet is rather sketchy, the book the OP gives a link to is really a fundamental ... ... <看更多>

http://world-alphabet.com/index.php/b/38-belarusian-alphabetБеларускі Aлфавіт | World Alphabet | Белорусский ... ... <看更多>

The Belarusian Arabic alphabet (Belarusian: Беларускі арабскі алфавіт, ... based on the Arabic script and was developed in the 16th century (possibly 15th). ... <看更多>