1. Official Methods of Analysis;A.O.A.C.,1990
2. Effect of some micro-nutrients on growth and chemical constituents of Sideritis montana as a new plant introduced into Egypt;Aziz;Arab Univ. J. Agric. Sci., Ain Shams Univ., Cairo,2003
3. Effect of inter and intra row spacing on growth, yield and eugenol content in Ocimum gratissimum L;Balyan;Indian Perfumer,1990
4. Effect of levels of nitrogen and phosphorus with different spacing on growth and yield of annual Chrysanthemum;Belyaonka;J. Soils Crops,1997
5. Effect of infusion of some medicinal plants on ovulation in experimental animals;Boikova;Rastitel’nye-Resursursy,1995