Volume XXXII, Issue 1, 2022 Reflections on a Scientific Journal, pages 1-4 Authors: G. Ciobanu Abstract | BibTeX | Full Text (PDF) A Survey of Testing for Instruction Sequence Theory, pages 5-86 Authors: J. A. Bergstra Abstract | References | BibTeX | Full Text (PDF) Which Arithmetical Data Types Admit Fracterm Flattening?, pages 87-107 Authors: J.A. Bergstra, J.V. Tucker Abstract | References | BibTeX | Full Text (PDF) Fixed Parameter Algorithms and Hardness of Approximation Results for the Structural Target Controllability Problem, pages 109-136 Authors: E. Czeizler, A. Popa, V. Popescu Abstract | References | BibTeX | Full Text (PDF) Imperative Process Algebra with Abstraction, pages 137-179 Authors: C.A. Middelburg Abstract | References | BibTeX | Full Text (PDF)