relation: http://repository.uhamka.ac.id/id/eprint/44248/ title: lk1 creator: 1, 1 subject: T Technology (General) publisher: 1 type: Other type: NonPeerReviewed format: text language: en identifier: http://repository.uhamka.ac.id/id/eprint/44248/1/Q1%20Perforated%20concave%20rectangular%20winglet%20pair%20vortex%20generators%20enhance%20the%20heat%20transfer%20of%20air%20flowing%20through%20heated%20tubes%20inside%20a%20channel.pdf format: text language: en identifier: http://repository.uhamka.ac.id/id/eprint/44248/2/Coresponding.pdf identifier: 1, 1 lk1. 1.