http://www.wikihow.com/Build-a-Greenhouse
https://www.youtube.com/playlist?list=PL919FC3C22FE4116C
http://theselfsufficientliving.com/plans-for-building-green-house/
e.g.
http://www.thinkinghumanity.com/2014/12/the-greenhouse-of-the-future-a-step-by-step-builders-guide.html
underground/pit greenhouse
http://www.designweneed.com/underground-greenhouse/
hydroponic reference
http://www.gardenculture.net/indoor-garden-design-build/diy-fully-automated-hydroponic-greenhouse-2376
http://www.instructables.com/id/The-Hydroponic-Automated-Networking-Climate-Con/
https://www.youtube.com/playlist?list=PL919FC3C22FE4116C
http://theselfsufficientliving.com/plans-for-building-green-house/
e.g.
http://www.thinkinghumanity.com/2014/12/the-greenhouse-of-the-future-a-step-by-step-builders-guide.html
underground/pit greenhouse
http://www.designweneed.com/underground-greenhouse/
hydroponic reference
http://www.gardenculture.net/indoor-garden-design-build/diy-fully-automated-hydroponic-greenhouse-2376
http://www.instructables.com/id/The-Hydroponic-Automated-Networking-Climate-Con/