Topikku ni yoru nihongo sogo enshu : Temasagashi kara happyo e. Chukyu-2[New edition]=Comprehensive Japanese practice by topic From theme search to presentation.Intermediate Level1[New edition]: 佐々木薫: 9784883198504: Amazon.com: Books
JLPT N3 Grammar: によって / による (ni yotte / ni yoru) Meaning – JLPTsensei.com
How to use the Yori Japanese Grammar Rule: 7+ Variations