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Entre Ciencia e Ingenieria vol.15 no.29 Pereira Jan./June 2021  Editorial | | | | | | · Thermoelectric materials, important in the energy harvesting
Arias Mateus, Diego Fernando
| | | | | Articles | | | | | | · Identification of the Load Profile in a Three-Phase Low Voltage Circuit
Obando, F. F.; Bolaños, P. A.; Palomino, G. A.
| | | | | | · Extraction of phenolic compounds and content of catechin in barks of three forest species from Cauca-Colombia
Sarria-Villa, R. A.; Gallo, J. A.; Benítez, R.
| | | | | | · Validation of an electronic prototype for fertigation and greenhouse control
Valencia, Y.; Henao, C. A.; Polanco, M. F.
| | | | | | · Selection model for beginners to Systems Engineering using 4Q Model and based on professional and working profile
Trejos, O.I.; Muñoz, L.E.; Solarte, G.R.
| | | | | | · Design of a playful in positive communication as a tool for training in the organizations
Quiroz, E.; Cataño, M.; Muñoz, J. T.; Pulgarín, L.; Pinzón, S.
| | | | | | · The water poverty index for Mexico: a comparison with OECD countries
Olivas, M. J.; Camberos, M.
| | | | | | · Water footprint of avocado crop cv. Hass (Persea americana Mill.), at Soil Conservation District Barbas - Bremen, Quindío, Colombia
Naranjo, J. F.; Reyes, H.
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