Strategy (3) Estrategia (3) stratégie (3) Sustainable development (2) Production (Economic theory) (2) Perspective (2) Nickel (2) Natural resources (2) Industries (2) Níquel (2) Perspectiva (2) Producción (2) Recursos naturales (2) Industria (2) Desarrollo sostenible (2) production (2) industrie (2) Cuba (1) Labor (1) Valuation (1) Students (1) Reading comprehension (1) Participant observation (1) Paper (1) Miners (1) Mineral industries (1) Metallurgy (1) Materials (1) Marxist criticism (1) Letters (1)