This is Giant Superman 17, published by Mimosa (SA Magazine Co) +/- 1963-1964.
It reprints the cover and stories from DC Comics' Adventure Comics 278 (1960):
"Supergirl in Smallville!"
Congorilla: "Janu of the Apes"
Aquaman: "Aqualad goes to School
Also reprinted is this story from DC Comics' Action Comics 221 (1956):
"Superman's New Super-Power"
Also reprinted is this story from DC Comics' Action Comics 241 (1958):
"The Super-Key to Fort Superman"
48pages, glossy colour cover, black and white newsprint interior.
Here is the cover of issue 17 and DC Comics' original cover: