매쓰캥거루 사고력 수학 D-1 수의 이해 (초등 4학년), 캥거루수학, 초등4학년

Your Band Is a Virus – Behind-The-Scenes & Viral Marketing for the Independent Musician Paperback, Createspace Independent Publishing Platform

Internet Mercenaries and Viral Marketing: The Case of Chinese Social Media Hardcover, Business Science Reference

Viral Marketing in Der Modernen Business Welt Paperback, Sudwestdeutscher Verlag Fur Hochschulschrifte

Viral Marketing Im Internationalen Kontext Paperback, Grin Publishing

매쓰캥거루 사고력 수학 C-1 수의 이해 (초등 3학년), 캥거루수학, 초등3학년

Viral Marketing: Potential and Pitfalls Paperback, VDM Verlag Dr. Mueller E.K.

Viral Marketing: How to Create a Viral Campaign That Becomes Out-Of-Control! Paperback, Createspace

Cracking The Viral Marketing Secret: Fascinating Viral Marketing Tactics That Can Help Your Business… Paperback, Independently Published, English, 9798550941843

Viral Marketing Paperback, AV Akademikerverlag, English, 9783639445237

Brand Marketing Secrets: how to become an influencer go viral growing followers and make money wi… Paperback, Independently Published, English, 9781653998647