Effectiveness of an integrated nutrition and sanitation education on community health cadres' knowledge and attitudes: A quasi-experimental study - Akifa Syahrir; Lely Lusmilasari; Fitri Haryanti; Nur Hijrah Tiala; Cindy Puspita Sari Haji Jafar; Sri Resky Mustafa; Agustini Liviana Dwi Rahmawati (Journal of Public Health and Development, 2026)