Multilevel marketing (MLM) refers to a strategy used by some direct-sales companies to sell products and services. MLM encourages existing members to promote and sell their offerings to other ...
Study objective: (1) To provide a didactic and conceptual (rather than mathematical) link between multilevel regression analysis (MLRA) and social epidemiological concepts. (2) To develop an ...
Abstract: The dual active bridge (DAB) converter has been recognized as one of the most promising DC-DC topologies. By introducing the multilevel structure, the DAB converter can be applied in DC ...