Álvaro Rodolfo Mercado GuzmánClaudia Ximena Cossío GrágedaMariela Copa Mitma2026-03-222026-03-222020https://andeanlibrary.org/handle/123456789/70167enWastewaterBusinessNatural resource economicsEnvironmental scienceEnvironmental planningEfficiency linked to the operation and maintenance of small domestic wastewater treatment plants in Cochabamba, Boliviaarticle