“ANALYSIS OF THE DIFFICULTIES OF TEACHING CLASS IV TEACHERS IN APPLYING THEMATIC LEARNING DURING THE COVID-19 PANDEMIC SD NEGERI 50 LUBUKLINGGAU”. 2022. CITRA : International Journal of Community Service, Informatics, Technology, Research in Education, Art and Humanities 1 (2): 45-61. https://journal.citradharma.org/citra/article/view/310.