October 20, 2007. Doujinshi manga (often shortened to doujin) are non-professional and/or self published comics. Doujinshi manga can be broken into two broad categories: fan-comics and original works. Fan-comics, much like fan-fiction, are based on established properties and created by fans of those properties. Original works are based on the doujinshi-ka's (creator) original ideas.
What is Purchasing Power Parity (PPP)? Why is it important? Purchasing power parity (PPP) is an economic term that calculates the relative value of different currencies.
Why is utility such an important to feature of marketing? Utility is such an important feature of marketing because proper marketing takes into account how people will use the product or service. When something is marketed and ha â¦ s poor utility, the consumer is less likely to buy it.