1. Development antioxidants synthesized by phase transfer catalysts for lubricating oil;Elmehbad;J. Surf. Eng. Mater. Adv. Technol.,2014
2. The development and application of ester for lubricating oil by phase transfer catalysts;Elmehbad;J. Chem. Sci.,2014
3. Study of some anionic surfactants as pour point depressant additives for wax gas oil;Khidr;Ind. Lubr. Tribol.,2007
4. Anionic/nonionic mixture of surfactants for pour point depression of gas oil Egyptian;Khidr;J. Pet.,2003
5. Improving the flow properties of n- paraffin gas oil by cationic and non ionic surfactants;Khidr;J. Fac. Educ.,2000