Meanwhile, within the Algerian-Italian cooperation framework he had attended, in 1968, an internship at the University of Rome "Istituto del Vicino Oriente" and he had participated in archaeological excavations in Sardinia (summers 1968, 1969, 1970 and 1971).
From 1969 to 1973, with ICCROM's technical support, he worked on the conservation of a unique fresco dating from the 5th century BC, and a mosaic of the same period discovered and transferred to the Tipasa Museum.
Paul-Albert Février, Henri-Irénée Marrou and Bishop Saxer of the Pontifical Institute had visited the excavation and provided technical advice and supervision of fieldwork.
Moreover, in response to some significant discoveries in Setif in 1974 and 1975, a rescue excavation was conducted with the backing of Professor Paul-Albert Février, vice-president of the University of Aix-en-Provence.
In Bonn, in 1978, under the title «Die Numider», it had been organized a considerable exhibition of about ten tonnes of Roman and Pre-Roman works of art taken from the major Algerian museums.
Financed by «Funds-in-Trust», the projects were respectively establishing, at King Faisal Foundation, of the Islamic Centre for Research and Restoration of Manuscripts, creating Tripoli National Museum, and studying ancient Libyan valleys.
In 1992, in the aftermath of Taif Agreement that put an end to the Lebanese Civil War he was called to draw up the first report on the situation of cultural heritage in Lebanon and to supervise the rehabilitation operations of Beirut Museum.
Furthermore, He was in charge of monitoring sensitive issues, such as the destruction in Afghanistan of the great Bamiyan Buddha statues by the Taliban in 2001, the second war in Iraq (2002-2003) and the Kosovo conflict (2003 - 2004) and their impact on cultural heritage.
Bouchenaki has taken on the responsibility of supervising the programme with the participation of Section of Intangible Heritage led by Ms. Noriko Aikawa then by Rieks Smeets from 1997 to 2006.
- Jugurtha, un roi berbère et sa guerre contre Rome, dans Collection « Les Africains », Jeune Afrique Editions, Paris 1977.
Il a publié plusieurs articles dans les revues suivantes : Revue “reflets”, Commission nationale algérienne pour l’UNESCO; Bulletin d’Archéologie Algérienne, Alger; Antiquités Africaines, Aix en Provence; Oriens Antiquus, Rome; l’Année Epigraphique, Paris; Römische Mitteilungen, Rome; Revue d’Histoire et de Civilisation du Maghreb, Alger; Le Courrier de l’UNESCO, Paris; Museum International, UNESCO, Paris.