Editor's note

Pages 1-4

mehdi zare

• Editor-in-Chief Lecture
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Necessity, application and effectiveness of classification in the development of science

Pages 5-26

10.22034/popsci.2021.293502.1105

ahmadreza ahmadimirghaed; leila jabbari

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An overview of the types of knowledge and its production patterns in economics

Pages 27-61

10.22034/popsci.2021.297393.1113

mahdi roayaei

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The analysis of advantages and disadvantages of virtual statistics and mathematics education

Pages 62-76

10.22034/popsci.2021.300017.1117

Mehdi Shams; Faezeh Rezvanian

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Grassroots innovations and its indicators in Iran

Pages 77-104

10.22034/popsci.2021.143431

Akram Ghadimi; Marzieh Saviz

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Providing a model of technological empowerment for new elementary school teachers in Tehran

Pages 105-127

10.22034/popsci.2021.295585.1111

Roghayeh Sadeghi; Mojtaba Moazami; Sayed Mohmod Hashemi; Esmaeil Kayosi; Bibisadat Miresmaeili

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Schumpeter's theory of creative destruction, the pattern of economic development in and after the Corona crisis

Pages 128-159

10.22034/popsci.2021.293868.1106

Zahra Torkashvand

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Entrepreneurial Education; Ontology, Epistemology and Methodology

Pages 160-180

10.22034/popsci.2021.292799.1101

Maryam Omidi Najafabadi

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Knowledge based Spin-offs: Definition, role and typology

Pages 181-204

10.22034/popsci.2021.241455.1046

mohammad rasol almasifard; Milad bakhsham; hossein karimi

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Designing an e-advertising model for emerging businesses with a data-based approach and comparing the current and desired situation

Pages 205-234

10.22034/popsci.2021.295247.1110

Maryam Nazari Montazar; Farshid Namamian; Seyed Reza Hasani; Mehrdad ghanbary

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Framing of agricultural biotechnology in news agencies of the Islamic Republic of Iran: A deductive study

Pages 235-250

10.22034/popsci.2021.288359.1093

zahra ojagh

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The role of nutrition-sensitive agriculture in food and nutritional security

Pages 251-269

10.22034/popsci.2021.283133.1086

Hossein shabanali fami; Mahsa Motaghed

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Investigation of sample size in qualitative sampling methods

Pages 270-297

10.22034/popsci.2021.286809.1090

Alireza Pakgohar; mohadese khalili

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