[Retracted] Analysis of the Influence of Library Information on the Utilization of Regional Environmental and Ecological Resources: From the Perspective of Intelligent Adaptive Learning

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Secondary indicators</td><td class="align_center">Data sources</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Expenditure (yuan)</td><td class="align_center" rowspan="3">Statistical yearbook of a city 1999-2018</td></tr><tr><td class="align_left">Public housing area (m2)</td></tr><tr><td class="align_left">Number of books collected (volume)</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Input indicators for service efficiency evaluation of a public library in a city.</div>

Journal of Environmental and Public Health

tab2

Table 2

Table 2: [Retracted] Analysis of the Influence of Library Information on the Utilization of Regional Environmental and Ecological Resources: From the Perspective of Intelligent Adaptive Learning 

Table 2 | [Retracted] Analysis of the Influence of Library Information on the Utilization of Regional Environmental and Ecological Resources: From the Perspective of Intelligent Adaptive Learning 