Lidl, Aldi at price parity, study shows

Walmart, Kroger beaten at the shelf but closer on fresh

Aldi v. Lidl: Supermarket Wars - Time2Resources

Response to stockout in grocery stores: A small city case in a changing competitive environment - ScienceDirect

Master the Game of Retail — E2: The Winning Strategies of Lidl, and Aldi., by Ahmed Fouad

The Price Gap Between Plant-Based And Conventional Meat Is Shrinking, New Analysis Finds

Battle of the brands' social media strategy– Aldi vs Lidl

What are your thoughts on Lidl? - Quora

Against Aldi and Lidl, personalization is the smart move

Multi-Attribute Perceptual Mapping using Idiosyncratic Brand - Crioc

Brand Re-positioning: Lidl

Aldi, Lidl growth to spark industry change

Lidl Austria Joins Price-Parity Movement, Slashes Prices for Over 30 Vemondo Products - vegconomist - the vegan business magazine

How do Trader Joe's, ALDI's, and Lidl's Prices Compare? - Washington Consumers' Checkbook