Essential Oils
Essential oils are the volatile oils distilled from aromatic plant materials. This fact sheet shows how to harvest the plant and separate the oil.
2008 , Tony Swetman
PDF ,Practical Action , English
Essential oils are the volatile oils distilled from aromatic plant materials. This fact sheet shows how to harvest the plant and separate the oil.
2008 , Tony Swetman
PDF ,Practical Action , English
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