Journal of Ecological Engineering - Articles by Maria Hełdak

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PL EN

Current issue

Editorial Board

Editorial Office and Publisher

Article Processing Charge

Current issue

About the Journal Journal Metrics

Editorial Board

Editorial Office and Publisher

Article Processing Charge

Ethics & Malpractice Duties of Authors Duties of Reviewers

Open Access

Articles by Maria Hełdak

Changes in the Use of Agricultural Land in Poland and Czech Republic

Agnieszka Stacherzak, Ladislav Hájek, Maria Hełdak

J. Ecol. Eng. 2019; 20(7):211–221

DOI: https://doi.org/10.12911/22998993/109869

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Construction of Public Roads at the Meeting Point of Different Legislation Systems

Maria Hełdak, Elena Bykowa

J. Ecol. Eng. 2017; 18(6):86–94

DOI: https://doi.org/10.12911/22998993/76217

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PLANNING DECISIONS IN LANDSLIDE AREAS

Maria Katarzyna Hełdak, Jakub Szczepański, Monika Płuciennik, Agnieszka Stacherzak

J. Ecol. Eng. 2016; 17(4):218–227

DOI: https://doi.org/10.12911/22998993/64502

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FORUM 2019

Kazimierz Dolny, 09.09.2019 - 11.09.2019

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Study on the Use and Composition of Bio-Charcoal Briquettes Made of Organic Waste

Impact of Municipal Solid Waste Landfill on Environment – a Case Study

FACTORS AFFECTING WATER QUALITY IN A WATER SUPPLY NETWORK

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