my experience +
https://en.wikipedia.org/wiki/Earnings_yield
https://www.investopedia.com/terms/e/ebitda.asp
Free Cash Flow to Enterprise Value Backtest
Enterprise Value to EBITDA Ratio Backtest
Quantitative Value Investing in Europe: What works for achieving alpha (Vanstraceele, Philipp; du Toit, Tim)
Analyzing Valuation Measures: A Performance Horse-Race Over the Past 40 Years, Journal of Portfolio Management (Gray, Wesley R.; Vogel, Jack)
Quantitative Strategies for Achieving Alpha (Tortoriello, Richard)
and above all by this spring a new e-book from me which talks about it