We have taken reference from lots of places distributed at different places all over online and print. Here are the list that can be used for further reading and explanations.
1.Wikipedia
2.हिन्दी व्याकरण – डा. कामता प्रसाद गुरू
3.FUEL Project
4.Open Mailing List Discussions like Indlinux, Sarai, Chitthakar etc.
