SEHRAWAT, Meena; ROY, M.M. EFFECTIVENESS OF STRUCTURED AND UNSTRUCTURED FIELD TRIP: AN EXPERIMENTAL STUDY. SCHOOL SCIENCE, [S. l.], v. 54, n. 4, p. p.25–33, 2026. Disponível em: https://ejournals.ncert.gov.in/index.php/SS/article/view/5162. Acesso em: 21 sep. 2026.