Valderrama, J. H. (1982). An improvised electric device and suggested laboratory activities to teach the effects of electricity on certain physiological processes in selected seeds.
Chicago-referens (17:e uppl.)Valderrama, Josefina Husayan. An Improvised Electric Device and Suggested Laboratory Activities to Teach the Effects of Electricity on Certain Physiological Processes in Selected Seeds. 1982.
MLA-referens (9:e uppl.)Valderrama, Josefina Husayan. An Improvised Electric Device and Suggested Laboratory Activities to Teach the Effects of Electricity on Certain Physiological Processes in Selected Seeds. 1982.
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