Description of Ownership of the MCH Handbook and Utilization of the MCH Handbook and the Nutritional Status of Toddlers in Pekanbaru City and Meranti District During the COVID-19 Pandemic. JURNAL PROTEKSI KESEHATAN [Internet]. 1 Desember 2022 [dikutip 18 Januari 2026];9(2):48-53. Tersedia pada: https://jurnal.pkr.ac.id/JPK/article/view/707