The Diversity of Gamification Evaluation in the Software Engineering Education and Industry: Trends, Comparisons and Gaps. - Rodrigo Henrique Barbosa Monteiro; Maurício Ronny de Almeida Souza; Sandro Ronaldo Bezerra Oliveira; Carlos dos Santos Portela; Cesar Elias de Cristo Lobato (ICSE (SEET), 2021)