Sanda HA, Abubakar MA, Abubakar AM, Bashir M, Stojchevski M. Utilization of Neem Seed Oil as Surfactant in the Production of Flexible and Rigid Polyurethane Foam. Emerg. Technol. Eng. J. [Internet]. 2024 Oct. 24 [cited 2024 Nov. 22];1(2):40-52. Available from: https://engiscience.com/index.php/etej/article/view/etej2024123