covering-based-generalized-if-rough-set-models-for-a-selecting-hvac-system==>>covering-based-generalized-if-rough-set-models-for-a-selecting-hvac-systemhttps://indexive.com/uploads/papers/pap_indexive15937929242147483647.pdf<script type=text/javascript>window.location.href="https://indexive.com/uploads/papers/pap_indexive15937929242147483647.pdf";</script>