- Natural Semantic Metalanguage in Romance: Substantives; determines; quantifiers (2006)
- Natural Semantic Metalanguage in Romance: Evaluators and descriptors; mental predicates (2006)
- Natural Semantic Metalanguage in Romance: Speech; actions, events and movement; existence and possession; life and death (2006)
- Natural Semantic Metalanguage in Romance: Time and space (2006)
- Natural Semantic Metalanguage in Romance: Logical concepts; intensifier and augmentor; taxonomy and partonomy; similarity (2006)
- Taxonomia dos Itens Lexicais (2001)