Online Periodical
Shelly. B. (July,5,2001) . House plants: Artificial light. Alberta, Agriculture and Rural Development , issue number 21. Retrieved from http://www.agriculture.alberta.ca/app21/infopage
Forum
Externet. (Nov 05, 2012). Plant growth under artificial light [Msg 75] . Message posted to http://www.scienceforums.net/topic/70252-plants-growth-under-artificial-light/
Shelly. B. (July,5,2001) . House plants: Artificial light. Alberta, Agriculture and Rural Development , issue number 21. Retrieved from http://www.agriculture.alberta.ca/app21/infopage
Forum
Externet. (Nov 05, 2012). Plant growth under artificial light [Msg 75] . Message posted to http://www.scienceforums.net/topic/70252-plants-growth-under-artificial-light/
