TY - BOOK AU - Alvarez, Luisa A. AU - ED - ED - ED - ED - TI - : a handbook for teaching health SN - 2 PY - 1951///.46 CY - Manila PB - Philippine Book KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Study and teaching KW - Hygiene;Hygiene, Public N1 - Bibliography : p. 137-139; 5 ER -