1. Essential oils market size share & trends analysis report by application (food & beverages spa & relaxation) by product (orange peppermint) by sales channel and segment forecasts 2020‐2027 2021 https://www.grandviewresearch.com/industry-analysis/essential-oils-market.
2. Essential oils market by type (orange lemon lime peppermint citronella and others) application (food & beverage cosmetics & toiletries aromatherapy home care health care) method of extraction and region – global forecast to 2026 2021 https://www.marketsandmarkets.com/Market-Reports/essential-oil-market-119674487.html.
3. Biosynthetic Factories of Essential Oils: The Aromatic Plants
4. Microwave‐assisted hydro distillation of essential oil from Thymus vulgaris L;Azar A.P.;Asian J. Chem.,2011